13th symposium on global change and climate … · 13th symposium on global change and climate...

13TH SYMPOSIUM ONGLOBAL CHANGE AND CLIMATE

VARIATIONS

13-17 JANUARY 2002 ORLANDO, FLORIDA

SPONSORED BY

AMERICAN METEOROLOGICAL SOCIETY

Cover Caption: Observed and simulated changes in the height of the lapse-rate tropopause in response to the June 1991 eruption of Mt.Pinatubo. Results are for years 1, 2, and 3 after the eruption (i.e., July 1991 to June 1992, etc.), expressed as anomalies relative to theyear before the eruption (July 1990 to June 1991). "Observations" are estimates of the pressure of the lapse-rate tropopause from the NCEPreanalysis (Kalnay et al., 1996; panels A, B, and C). Model results are from the so-called GSOP experiment performed by Bengtsson etal. (1999) with the ECHAM4/OPYC coupled atmosphere-ocean GCM (panels D, E, and F). GSOP involves forcing by well-mixed greenhousegases, stratospheric and tropospheric ozone, direct and indirect aerosol effects, and volcanic aerosols.

Forfurther details, please reference the presentation for paper number 1.2"Accounting for Effects otVolcanoes and ENSO in Comparisonsof Modeled and Observed Temperature Trends", by B. D. Santer LLNL, Livermore, CA.

The image was provided by Benjamin D. Santer, LLNL, Livermore, CA.

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UB/TIB Hannover 89123 858 607

All Rights Reserved. No part of this publication may be reproduced or copied in any form or by any means—graphic, electronic, or mechanical, including photocopying,taping, or information storage and retrieval systems—without the prior written permission of the publisher. Contact AMS for permission pertaining to the overall collection.Authors retain their individual rights and should be contacted directly for permission to use their material separately. The manuscripts reproduced herein are unrefereedpapers presented at the 13? Symposium on Global Change and Climate Variations. Their appearance in this collection does not constitute formal publication.

AMERICAN METEOROLOGICAL SOCIETY45 BUCIN STREET, BISTIN, NUSSACHISETTS ISA 02108-3693

TABLE OF CONTENTS

13TH SYMPOSIUM ON GLOBAL CHANGE AND CLIMATE VARIATIONSPAGE

SESSION 1: OPENING SESSION: CLIMATE OBSERVATIONS AND CLIMATE CHANGE DETECTION

1 1.1 COMPONENTS OF A CLIMATE OBSERVING SYSTEM. Kevin E. Trenberth, NCAR, Boulder, CO

1.2 ACCOUNTING FOR EFFECTS OF VOLCANOES AND ENSO IN COMPARISONS OF MODELED AND OBSERVEDTEMPERATURE TRENDS. B. D. Santer, LLNL, Livermore, CA; and T. M. L. Wigley, C. Doutriaux, J. S. Boyle, J.E. Hansen, P. D. Jones, G. A. Meehl, E. Roeckner, S. Sengupta, and K. E. Taylor

1.3 A NEW TECHNIQUE TO ESTIMATE THE DIURNAL AND SEASONAL CYCLES OF CLIMATIC TRENDS, WITHAPPLICATIONS TO TEMPERATURE AND SEA ICE. Konstantin Y. Vinnikov, Univ. of Maryland, College Park, MD;and A. Robock, D. J. Cavalieri, and C. L. Parkinson

3 1.4 A GENERAL BAYESIAN APPROACH TO CLIMATE CHANGE DETECTION AND ATTRIBUTION USING ECHAM3-LSG SCENARIO RUNS AND NCEP/NCAR REANALYSIS OBSERVATIONS. Seung-Ki Min, METRI, Seoul, Korea;and A. Hense, H. Paeth, W. T. Kwon, and J.-H. Oh

1.5 CLIMATE VARIATIONS AND ITS IMPACT ON TREND DETECTION. Julian X. L. Wang, NOAA/ARL, Silver Spring,MD; and K. C. Mo

1.6 NORTHERN HEMISPHERE SNOW COVER EXTENT AND GLOBAL WARMING: OBSERVED AND SIMULATEDVARIATIONS. Konstantin Y. Vinnikov, Univ. of Maryland, College Park, MD; and A. Robock, D. A. Robinson, R.L. Armstrong, D. J. Cavalieri, C. L. Parkinson, R. J. Stouffer, T. L. Delworth, K. W. Dixon, A. J. Broccoli, J. M.Gregory, G. M. Flato, N. C. Grody, B. H. Ramsay, P. Romanov, and A. N. Basist

6 1.7 EVIDENCES OF DOMINANT ATMOSPHERIC CIRCULATION VARIABILITY IN THE CONTEXT OF GLOBAL

WARMING. Xiangdong Zhang, Univ. of Alaska, Fairbanks, AK; and J. Zhu

SESSION 2: INTERANNUAL VARIABILITY I: MODELING STUDIES

2.1 INTERANNAL AND DECADAL RELATIONSHIPS BETWEEN THE INDIAN OCEAN ZONAL MODE AND ENSO: ACOUPLED CGM STUDY. Jin-Yi Yu, Univ. of California, Los Angeles, CA

9 2.2 THE CONTROL OF THE WARM-POOL SST OVER THE MAGNITUDE OF EL NINO WARMING. De-Zheng Sun,NOAA/ERL/CDC and CIRES, Boulder, CO

2.3 GENERATION AND AIR-SEA COUPLING MECHANISMS OF TROPICAL INSTABILITY WAVES. Jin-Yi Yu, Univ. ofCalifornia, Los Angeles, CA; and W. T. Liu

2.4 MONTHLY MEAN EXTRATROPICAL ATMOSPHERIC CIRCULATION RESPONSE TO EL NINO SST. Hui Wang,Georgia Institute of Technology, Atlanta, GA; and R. Fu

2.5 TROPICAL FORCING OF NORTH PACIFIC DECADAL VARIABILITY EXPLORED USING A GCM ENSEMBLE. JoelR. Norris, SlO/Univ. of California, La Jolla, CA; and T. A. Beitzel

13 2.6 MULTIDECADAL VARIATIONS OF ENSO TELECONNECTION IN THE NCAR CCM3. Qi Hu, Univ. of Nebraska,Lincoln, NE; and S. Feng

2.7 CHANGES OF PROBABILITY ASSOCIATED WITH EL NINO. Prashant D. Sardeshmukh, NOAA/ERL/CDC,Boulder, CO; and G. P. Compo and C. Penland

2.8 PAPER WITHDRAWN

2.9 AN INTEGRATED APPROACH TO COUPLED CLIMATE MODELING BASED ON GEODESIC GRIDS AND QUASI-LAGRANGIAN VERTICAL COORDINATES. Todd D. Ringler, Colorado State Univ., Fort Collins, CO; and D. A.Randall

15 2.10 SEASONAL CYCLES OF SURFACE RADIATION BUDGET AND CLIMATE CLASSES. Anne Wilber, AS&M,Hampton, VA; and G. L. Smith and P. W. Stackhouse

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SESSION 3: OBSERVED CLIMATE CHANGE I: PALEO AND INSTRUMENTAL RECORDS

1 8 3.1 THE CARBON DIOXIDE THEORY OF CLIMATE CHANGE: EMERGENCE, ECLIPSE, AND REEMERGENCE, CA.1850-1950. James R. Fleming, Colby College, Waterville, ME

20 3.2 400 YEARS OF CALIFORNIA CENTRAL VALLEY PRECIPITATION RECONSTRUCTED FROM BLUE OAKS. Kelly T.Redmond, DRI, Reno, NV; and D. W. Stahle, M. D. Therrell, D. R. Cayan, and M. D. Dettinger

24 3.3 ANALOGS OF 20TH CENTURY MOISTURE ANOMALIES IN THE CENTRAL AND WESTERN USA, 1500-1978.Falko K. Fye, Univ. of Arkansas, Fayetteville, AR; and D. W. Stahle and E. R. Cook

26 3.4 DESCRIBING GLOBAL CLIMATE VARIABILITY AND CHANGE USING SIMPLE INDICES. David J. Karoly, MonashUniv., Clayton, Vic, Australia; and K. Braganza

28 3.5 THE 1930S DROUGHT IN THE U.S. GREAT PLAINS: NEW PERSPECTIVES AND A LOOK AT LAND SURFACERESPONSES. Henry F. Diaz, NOAA/ERL/CDC, Boulder, CO; and R. S. Webb, J. K. Eischeid, and S. Forman

3.6 THE CLIMATE OF 2001 IN HISTORICAL PERSPECTIVE. Jay H. Lawrimore, NOAA/NESDIS/NCDC, Asheville, NC;and K. L. Gleason, R. Helm, S. Stephens, and D. Chappas

30 3.7 WARMING PHASES IN LONG-TERM SPANISH TEMPERATURE CHANGE. Manola Brunet, Univ. Rovira i Virgili,Tarragona, Spain; and E. Aguilar, 0. Saladie", J. Sigr6, and D. Lopez

33 3.8 GLOBAL TEMPERATURE CHANGE AND ITS UNCERTAINTIES SINCE 1861. Christopher K. Folland, Met Office,Bracknell, Berks., UK; and N. A. Rayner, D. E. Parker, I. Macadam, D. M. H. Sexton, S. J. Brown, T. M. Smith, S.S. P. Shen, P. D. Jones, R. N. Jones, and N. Nicholls

36 3.9 109-YEAR RECORD OF SURFACE TEMPERATURES IN N. ALABAMA. John R. Christy, Univ. of Alabama inHuntsville, Huntsville, AL

3.10 OBSERVED HIGH-LATITUDE TEMPERATURE CHANGES IN THE NORTHERN HEMISPHERE. David R. Easterling,NOAA/NESDIS/NCDC, Asheville, NC; and P. Jones, C. M. Eakin, T. C. Peterson, J. Lawrimore, P. Y. Groisman,and M. MacCraken

40 3.11 THE CLIMATE CHANGE IN THE WESTERN ARCTIC DURING THE LAST TWO DECADES. Muyin Wang,JISAO/Univ. of Washington, Seattle, WA; and J. E. Overland and N. Bond

42 3.12 TREND ANALYSIS OF THE 20TH CENTURY SNOWFALL RECORD FOR MINNESOTA. Martha D. Shulski, Univ. ofMinnesota, St. Paul, MN; and M. W. Seeley

3.13 THE IMPACT OF GLOBAL WARMING ON ENSO SEEN IN SOUTHERN OSCILLATION INDEX. Zhaohua Wu, COLA,Calverton, MD

45 3.14 HOW ARE DECADE-SCALE PRECIPITATION VARIATIONS REFLECTED IN THE DAILY PRECIPITATION

RECORD? Jurgen D. Garbrecht, USDA/ARS, El Reno, OK; and J. Schneider and X. C. Zhang

SESSION 4: REGIONAL CLIMATE MODELING

48 4.1 ENHANCED CLIMATIC WARMING OVER THE TIBETAN PLATEAU DUE TO DOUBLE CO2: A MODEL STUDY.Baode Chen, Univ. of Maryland Baltimore County, Baltimore, MD; and W. C. Chao and X. Liu

50 4.2 EVALUATION BY THE SUNYA RECM OF THE IMPACT OF PNA ON THE WINTER CLIMATE OF NORTHEASTERNUNITED STATES. Michael Notaro, SUNY, Albany, NY; and W.-C. Wang

4.3 THE POTENTIAL INFLUENCE OF RIVER AND WETLAND CO2 FLUXES ON REGIONAL CARBON BALANCE INTHE TAPAJOS REGION, PARA, BRAZIL. Lixin Lu, Colorado State Univ., Fort Collins, CO; and S. A. Denning, J.Richey, P. D. Silva-Dias, M. A. D. Silva-Dias, K. Schaefer, and E. Inazawa

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53 4.4 ON PIRCS MODELS1 CONSISTENCY OF DYNAMICS WITH PRECIPITATION. Zaitao Pan IV, Iowa State Univ.,Ames, IA; et al

56 4.5 REGIONAL CLIMATE SIMULATION OF THE ANOMALOUS EVENTS OF 1998 USING A STRETCHED-GRID GCMWITH MULTIPLE AREAS OF INTEREST. Michael S. Fox-Rabinovitz, Univ. of Maryland, College Park andNASA/GSFC, Greenbelt, MD; and L. L. Takacs and R. C. Govindaraju

57 4.6 INVESTIGATION OF MIDDLE EASTERN CLIMATE USING A REGIONAL CLIMATE MODEL Jason Evans, YaleUniv., New Haven, CT; and R. Oglesby, K. Maasch, and R. Smith

4.7 REANALYSES AND GCM DRIVEN NESTED MODEL SENSITIVITY STUDIES FOR SOUTH AMERICA. Anji Seth,International Research Institute for Climate Prediction, Columbia Univ., Palisades, NY; and M. Rojas

PANEL DISCUSSION PD1: U.S. GLOBAL CHANGE RESEARCH PROGRAM: FUTURE PROSPECTS

PD1.1 RECENT DEVELOPMENTS FOR NASA'S GLOBAL CHANGE PROGRAMS. Ghassem Asrar, NASA, Washington,DC

PD1.2 USGCRP AND THE NATIONAL SCIENCE FOUNDATION. Margaret Leinen, NSF, Arlington, VA

PD1.3 USGCRP AND THE U.S. DEPARTMENT OF ENERGY. Aristides A. Patrinos, U.S. Department of Energy,Germantown, MD

PD1.4 ASSESSING THE CONSEQUENCES OF GLOBAL CHANGE: AN OVERVIEW OF EPA'S GLOBAL CHANGERESEARCH PROGRAM. Joel D. Scheraga, U.S. EPA, Washington, DC

PD1.5 THE ROLE OF GLOBAL ENVIRONMENTAL CHANGE RESEARCH IN THE 21ST CENTURY. J. Michael Hall,NOAA/OGP, Silver Spring, MD

SESSION 5: CLIMATE MODEL DIAGNOSTICS: NEW METHODS

60 5.1 DIAGNOSTICS OF VERTICALLY INTEGRATED FLUXES OF ENERGY. Kevin E. Trenberth, NCAR, Boulder, CO;and D. P. Stepaniak

62 5.2 CONTRASTING OF NUMERICAL UNCERTAINTIES OF CLIMATE MODELS IN SIMULATING REVERSIBILITY.Donald R. Johnson, Univ. of Wisconsin, Madison, Wl; and T. K. Schaack, A. J. Lenzen, and T. H. Zapotocny

5.3 ANALYZING ATMOSPHERIC GENERAL CIRCULATION MODELS WITH A LINEARIZED SINGLE COLUMNMODEL. John W. Bergman, CIRES/Univ. of Colorado, Boulder, CO; and P. D. Sardeshmukh

5.4 DIAGNOSING THE ANTHROPOGENICALLY-FORCED SIGNAL IN A COUPLED CLIMATE MODEL. David W.Pierce, SlO/Univ. of California, La Jolla, CA; and T. P. Barnett

65 5.5 LONG-TERM REGIONAL CLIMATE SIMULATIONS DRIVEN BY TWO GLOBAL REANALYSES AND A GCM FORTHE WESTERN U.S. L. Ruby Leung, PNNL, Richland, WA; and X. Bian and Y. Qian

5.6 A DYNAMICAL FEEDBACK IN THE CLIMATE SYSTEM: ANALYSIS OF STABILITY AND SENSITIVITY OF ANATMOSPHERIC GCM COUPLED TO OCEANIC UPPER MIXED LAYER. Vladimir A. Alexeev, Danish Center forEarth System Science, Univ. of Copenhagen, Copenhagen, Denmark

5.7 THE EFFECT OF TROPICAL DRY ZONES ON THE SENSITIVITY OF THE TROPICAL CLIMATE. Dejie Sun, ChineseAcadmemy of Sciences, Beijing, China

5.8 DIAGNOSTICS OF THE THERMOHALINE CIRCULATION IN A COUPLED CLIMATE MODEL. Shan Sun,NASA/GISS, New York, NY; and R. Bleck

5.9 CLIMATE MODEL DIAGNOSIS: EVALUATING A CLIMATE MODEL AS A NWP FORECAST MODEL. James S.Boyle, LLNL, Livermore, CA; and G. L. Potter, M. Fiorino, and J. J. Hnilo

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68 5.10 IMPLIED OCEAN HEAT TRANSPORTS IN RECENT AGCM SIMULATIONS: SENSITIVITY TO THE SURFACE

ENERGY BUDGET. Peter Gleckler, LLNL, Livermore, CA; and K. Taylor

SESSION 6: OBSERVED CLIMATE CHANGE II: DATA AND EXTREMES

6.1 ESTIMATING URBANIZATION AND LAND USE EFFECTS ON SURFACE TEMPERATURES. Ming Cai, Univ. ofMaryland, College Park, MD; and E. Kalnay

70 6.2 THE FCC INTEGRATED SURFACE HOURLY DATABASE, A NEW RESOURCE OF GLOBAL CLIMATE DATA. J. NealLott, NOAA/NESDIS/NCDC, Asheville, NC; and R. Baldwin

73 6.3 EVIDENCE FOR A RECENT ADVANCE IN THE TIMING OF A SURFACE-AIR WARMING. Daria Scott, St. CloudState Univ., Saint Cloud, MN; and T. J. Biasing and D. P. Kaiser

77 6.4 COMPLETE GLOBAL RADIOSONDE INSTRUMENT METADATA INFERRED BY EXAMINING MULTIPLETEMPERATURE AND HUMIDITY TIME SERIES. Steven R. Schroeder, Texas A&M Univ., College Station, TX

79 6.5 COMPARISON OF METHODS FOR ADJUSTING INHOMOGENEOUS RADIOSONDE TEMPERATURE DATA.Melissa Free, NOAA/ARL, Silver Spring, MD

81 6.6 COMPARISON OF LOWER-TROPOSPHERIC TEMPERATURES AT LOW AND HIGH ELEVATION RADIOSONDESITES. Dian J. Seidel, NOAA/ARL, Silver Spring, MD; and M. Free

6.7 RECENT CLIMATE CHANGE IN THE CARIBBEAN. Thomas C. Peterson, NOAA/NESDIS/NCDC, Asheville, NC; andM. Tayloe

6.8 OBSERVED COHERENT CHANGES IN CLIMATIC EXTREMES DURING 2ND HALF OF THE 20TH CENTURY. LisaAlexander, Met Office, Bracknell, Berks., UK; and P. Frich, P. Della-Marta, B. Gleason, M. Haylock, A. Klein Tank,and T. Peterson

83 6.9 VARIABILITY AND TRENDS IN SHORT-DURATION EXTREME EVENTS IN THE U.S. Kenneth E. Kunkel, ISWS,Champaign, IL; and K. Andsager and D. R. Easterling

85 6.10 TRENDS AND VARIABILITY IN WINTER COLD AND WARM SPELLS OVER CANADA. Amir Shabbar, MSC,Environment Canada, Toronto, ON, Canada; and B. Bonsai

88 6.11 VERY HEAVY PRECIPITATION OVER LAND: ESTIMATES BASED ON A NEW GLOBAL DAILY PRECIPITATIONDATA SET. Pavel Ya. Groisman, UCAR and NOAA/NESDIS/NCDC, Asheville, NC; and R. W. Knight and T. R. Karl

91 6.12 HYDRO-CLIMATIC FACTORS AND SOCIOECONOMIC IMPACTS OF THE RECENT RECORD DROP INLAURENTIAN GREAT LAKES WATER LEVELS. Frank H. Quinn, NOAA/GLERL, Ann Arbor, Ml; and R. A. Asseland C. E. Sellinger

POSTER SESSION P1:13TH SYMPOSIUM ON GLOBAL CHANGE AND CLIMATE VARIATIONS

94 P1.1 REGIONAL SYNOPTIC CLIMATOLOGY STUDY OF THE MT. WASHINGTON AREA. John H. Gillman, PlymouthState College, Plymouth, NH; and B. J. D'Agostino, T. 0. Markle, N. C. Witcraft, J. P. Koermer, and B. D. Keim

98 P1.2 SATELLITE OBSERVED LAND SKIN TEMPERATURE VARIATIONS: 1981-1998. Menglin Jin, Univ. of Maryland,College Park, MD; and R. E. Dickinson and E. Kalnay

P1.3 SATELLITE OBSERVATIONS OF LONG-TERM CHANGES IN TROPICAL CLOUD AND OUTGOING LONGWAVERADIATION FROM 1985 TO 1998. Pi-Huan Wang, Science and Technology Corp., Hampton, VA; and B. A.Wielicki, T. Wong, P. Minnis, and L. B. Vann

P1.4 SENSITIVITY OF THE TROPICAL ATMOSPHERIC ENERGY BALANCE TO ENSO-RELATED SST CHANGES:COMPARISON OF CLIMATE MODEL SIMULATIONS TO OBSERVED RESPONSES. Franklin R. Robertson,NASA/MSFC, Huntsville, AL; and D. Fitzjarrald, S. Marshall, R. Oglesby, and J. Roads

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101 P1.5 SOIL MOISTURE PROFILE VARIABILITY AND ITS POTENTIAL IMPACT ON CLIMATE SPECTRA. Wanru Wu,Georgia Tech, Atlanta, GA; and R. E. Dickinson and M. A. Geller

P1.6 SIMULATION OF THE NORTH AMERICAN MONSOON IN DIFFERENT PACIFIC SST REGIMES USING RAMS.Christopher L. Castro, Colorado State Univ., Fort Collins, CO; and R. A. Pielke, Sr. and G. E. Liston

103 P1.7 SPATIAL-TEMPORAL STRUCTURE OF THE INTERANNUAL VARIABILITY OF PRECIPITATION OVER "RIO DE LAPLATA" BASIN. Carlos M. Krepper, Sr., Universidad Nacional del Sur, Bahia Blanca, Argentina; and N. 0. Garcia

P1.8 THE ATMOSPHERIC RESPONSE OF THE TROPICAL WESTERN PACIFIC TO THE IMPLEMENTATION OF A NEWINFRARED RADIATION PARAMETERIZATION IN A REGIONAL CLIMATE MODEL. Johnny Seymore, HowardUniv., Washington, DC

106 P1.9 TREND AND INTERANNUAL VARIATIONS IN AIR TEMPERATURE OVER THE IBERIAN PENINSULA. C.Rodriguez-Puebla, Univ. of Salamanca, Salamanca, Spain; and L. A. Garcia-Casado, M. D. Frias, J. Saenz, and J.Zubillaga

P1.10 USING A PARALLEL CLIMATE MODEL TO INVESTIGATE HYDROLOGICAL FEEDBACKS IN THE CLIMATESYSTEM. Marcia L. Branstetter, Univ. of Texas, Austin, TX; and J. S. Famiglietti and W. M. Washington

P1.11 USING CERES DATA TO STUDY CLIMATE CHANGE. Susan E. Sorlie, NASA/LRC, Hampton, VA

109 P1.12 USING WEATHER GENERATORS AND AGR0CLIMATE INDICES FOR CLIMATE CHANGE IMPACTASSESSMENTS. Henry N. Hayhoe, Agriculture and Agri-Food Canada, Ottawa, ON, Canada; and D. R. Lapen

112 P1.13 VARIABILITY OF SEVERE WINTERS IN THE MEXICO BASIN DURING THE XXTH CENTURY. Ernesto Jauregui,National Univ. Mexico, Mexico City, Mexico; and E. Luyando and M. Casasola

114 P1.14 REGIONAL PRECIPITATION VARIATIONS AND ATMOSPHERIC CONDITIONS OVER THE SAND HILLS REGIONOF NEBRASKA. Mark R. Anderson, Univ. of Nebraska, Lincoln, NE; and C. M. Rowe and J. W. Kaiser

117 P1.15 A COMPARISON OF THE WEATHER IN U.S. CITIES DURING THE 1982-83 AND 1997-98 EL NINO'S. Heather L.Honnette, U.S. Naval Academy, Annapolis, MD; and D. R. Smith

P1.16 A NEW GLOBAL DAILY TEMPERATURE AND PRECIPITATION DATA SET. Byron E. Gleason,NOAA/NESDIS/NCDC, Asheville, NC; and T. C. Peterson, P. Y. Groisman, D. R. Easterling, R. S. Vose, and D. S.Ezell

119 P1.17 AN INTEGRATED ASSESSMENT OF LAND COVER CHANGE, LONG-TERM CLIMATE VARIABILITY, AND LANDUSE IN THE SOUTHERN ARAL SEA REGION. Elena Tsvetsinskaya, Boston Univ., Boston, MA; and E. V. Glushkoand B. I. Vainberg

123 P1.18 CLIMATE DATA AT NASA GODDARD EARTH SCIENCES DAAC. George N. Serafino, NASA/GSFC, Greenbelt, MD;and S. P. Ahmad

P1.19 PAPER WITHDRAWN

127 P1.20 IMPACTS OF ENSO ON UNITED STATES SNOWFALL FREQUENCIES. Jillien M. Patten, Florida State Univ.,Tallahassee, FL; and S. R. Smith and J. J. O'Brien

P1.21 PAPER WITHDRAWN

P1.22 INTERACTIONS OF MONSOONS AND SUBTROPICAL ANTICYCLONES. Todd D. Ringler, Colorado State Univ.,Fort Collins, CO; and D. A. Randall

130 P1.23 INVESTIGATION OF SEASONAL SEA-ICE THICKNESS VARIABILITY IN THE ROSS SEA. Beth Schellenberg,Univ. of Delaware, Newark, DE; and T. L. DeLiberty, C. A. Geiger, J. Silberman, and A. P. Worby

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133 P1.24 ISCCP DATA AVAILABLE FOR CLIMATE VARIABILITY RESEARCH. Susan Haberer, NASA/LRC, Hampton, VA;and K. L. Morris and N. A. Ritchey

135 P1.25 MODIS CLOUD, AEROSOL, AND WATER VAPOR PRODUCTS FOR CLIMATE AND GLOBAL CHANGE STUDIES.Suraiya P. Ahmad, NASA/GSFC, Greenbelt, MD; and M. D. King, J. V. Koziana, G. G. Leptoukh, G. N. Serafino,and A. K. Sharma

P1.26 ON THE PACIFIC OCEAN REGIME SHIFT. Catherine A. Stephens, NOAA/NODC, Silver Spring, MD; and S.Levitus, J. Antonov, and T. P. Boyer

P1.27 OVERVIEW OF PCMDI'S SOFTWARE SYSTEM. Charles Doutriaux, PCMDI/LLNL, Livermore, CA; and D.Williams and PCMDI Software Team

P1.28 DATA AND PRODUCTS AVAILABLE AT THE SURFACE REFERENCE DATA CENTER. Michael D. Klatt, Univ. ofOklahoma, Norman, OK; and M. L. Morrissey and J. S. Greene

140 P1.29 URBAN EFFECTS ON REGIONAL SURFACE TEMPERATURE SERIES IN SOUTH KOREA. Youngeun Choi, KoreaMeteorological Administration, Seoul, South Korea; and K. Y. Nam, W.-T. Kwon, and I. C. Shin

257 P1.30 DOWNSCALED REGIONAL CLIMATE SIMULATIONS FOR THE MID-ATLANTIC STATES USING RAMS. GonzaloMiguez-Macho, Rutgers Univ., New Brunswick, NJ; and G. Stenchikov and A. Robock

SESSION 7: CLIMATE MODEL DIAGNOSTICS: VARIABILITY

7.1 SHOULD WE EXPECT CLIMATE MODELS TO CONVERGE WHEN WE INCREASE RESOLUTION? Vicky Pope, MetOffice, Bracknell, Berks., UK; and R. Stratton

7.2 NAO VALIDATION IN CLIMATE MODELS. Mark J. Rodwell, Met Office, Bracknell, Berks., UK

7.3 DIAGNOSING THE SENSITIVITY OF EXTRATROPICAL SUBSEASONAL VARIABILITY TO TROPICAL FORCING INDIFFERENT GCMS. Matthew Newman, NOAA/ERL/CDC, Boulder, CO; and C. R. Winklerand P. D. Sardeshmukh

143 7.4 EVALUATING GCMS USING DIURNAL VARIABILITY. Aiguo Dai, NCAR, Boulder, CO

SESSION 8: INTERANNUAL VARIABILITY II: OBSERVATIONAL STUDIES

8.1 BIAS CORRECTIONS FOR HISTORIC SEA SURFACE TEMPERATURES BASED ON MARINE AIRTEMPERATURES. Thomas M. Smith, NOAA/NESDIS/NCDC, Asheville, NC; and R. W. Reynolds

146 8.2 AN IMPROVED IN SITU AND SATELLITE SST ANALYSIS. Richard W. Reynolds, NOAA/NESDIS/NCDC, CampSprings, MD; and N. A. Rayner, T. M. Smith, D. C. Stokes, and W. Wang

8.3 THRESHOLD SEA SURFACE TEMPERATURE FOR INITIATION OF CONVECTION. Hui Su, Univ. of California, LosAngeles, CA; and J. D. Neelin and J. E. Meyerson

149 8.4 EXAMINING THE EFFECT OF CONCURRENT SST ANOMALIES ON CARIBBEAN RAINFALL. Jacqueline M.Spence, Univ. of the West Indies, Kingston, Jamaica; and M. A. Taylor

8.5 THE INFLUENCE OF SAHEL RAINFALL ON THE SUMMER CIRCULATION OF THE NORTH ATLANTIC. James W.Hurrell, NCAR, Boulder, CO

8.6 THE RECENT INCREASE IN ATLANTIC HURRICANE ACTIVITY: CAUSES AMD IMPLICATIONS. Christopher W.Landsea, NOAA/AOML/HRD, Miami, FL; and S. B. Goldenberg, A. M. Mestas-Nunez, and W. M. Gray

152 8.7 ANALYZING AND UNDERSTANDING CLIMATE VARIABILITY IN THE CARIBBEAN ISLANDS. Tannecia S.Stephenson, Univ. of the West Indies, Kingtson, Jamaica; and A. A. Chen

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155 8.8 MODULATION OF SEASONAL PRECIPITATION IN NORTHERN VENEZUELA AND ANTECEDENT RINFALL TOTHE FLOODS AND LANDSLIDES OF DECEMBER 1999. Bradfield Lyon, International Research Institute forClimate Prediction, Columbia Univ., Palisades, NY

8.9 THE INFLUENCE OF THE TROPICAL ATLANTIC VS. THE TROPICAL PACIFIC ON CARIBBEAN RAINFALL.Michael A. Taylor, Univ. of the West Indies, Kingston, Jamaica; and D. B. Enfield and A. A. Chen

8.10 PAPER WITHDRAWN

157 8.11 WET VERSUS DRY PERIODS IN THE MIDWEST DURING JANUARY 1998 (EL NINO) AND JANUARY 1999 (LANINA). Dayton G. Vincent, Purdue Univ., West Lafayette, IN; and J. Giovannettone, A. Lese, J. Adolphson, S.Lashley, S. O'Conner, B. O'Hara, T. Reaugh, and G. Lamberty

8.12 MULTI-SCALE VARIABILITY OF THE RIVER RUNOFF SYSTEM IN EAST ASIA AND ITS LONG-TERM LINK TOPRECIPITATION VARIABILITY. Yongkang Xue, Univ. of California, Los Angeles, CA; and S.-F. Sun, K.-M. W.Lau, and J. Ji

SESSION 9: CLIMATE MODEL DIAGNOSTICS: CLOUDS AND RADIATION, PART I

9.1 PAPER HAS BEEN MOVED TO SESSION 15, NEW PAPER NUMBER 15.7

9.2 CLOUD STRUCTURE ANOMALIES OVER THE TROPICAL PACIFIC DURING THE 1997/98 EL NINO. Robert D.Cess, SUNY, Stony Brook, NY; and M. H. Zhang, P. H. Wang, and B. A. Wielicki

159 9.3 CHARACTERISTICS OF CLOUD RADIATIVE FORCING OVER EAST ASIA. Wei-Chyung Wang, SUNY, Albany, NY;and W.-S. Kau, H.-H. Hsu, and C.-H. Tu

9.4 VALIDATING THE RADIATIVE AND DYNAMICAL FEEDBACKS IN NCAR CCM3. Lianzeng Liang, State KeyLaboratory of Atmospheric Sciences and Geophysical Fluid Dynamics, Beijing, China

162 9.5 STUDY OF LARGE ENSEMBLE OF CLOUD SYSTEMS FROM EOS SATELLITE OBSERVATIONS FOR CLOUDMODEL EVALUATION. Kuan-Man Xu, NASA/LRC, Hampton, VA; and T. Wong, L. Parker, B. A. Wielicki, D. A.Randall, M. Branson, D. H. Wang, and B. Barkstrom

SESSION 10: CLIMATE MODEL DIAGNOSTICS: CLOUDS AND RADIATION, PART II

165 10.1 DIRECT RADIATIVE FORCING DUE TO ABSORBING AEROSOLS. V. K. Saxena, North Carolina State Univ.,Raleigh, NC; and J.-S. Im

168 10.2 RADIATIVE FORCING OF TROPICAL ANVIL CLOUDS. Bing Lin, NASA/LRC, Hampton, VA; and B. A. Wielicki, L.H. Chambers, Y. Hu, and K.-M. Xu

170 10.3 MEASUREMENTS OF RADIATIVE FORCING BENEATH CLOUDS FROM GREENHOUSE GAS. W. F. J. Evans,Trent Univ., Peterborough, ON, Canada; and E. Puckrin

10.4 A SIMPLE MOIST MODEL OF THE HADLEY AND WALKER CIRCULATION: ROLE OF CLOUD RADIATIVEFORCING. Baijun Tian, SlO/Univ. of California, La Jolla, CA; and V. Ramanathan

173 10.5 A CLOUD RESOLVING MODEL AS A CLOUD PARAMETERIZATION IN A GCM: PRELIMINARY RESULTS. MaratF. Khairoutdinov, Colorado State Univ., Fort Collins, CO; and D. A. Randall

10.6 EFFECTS OF MULTIPLE SCATTERING AND CLOUD INHOMOGENEITY ON IR RADIATIVE TRANSFER. EveretteJoseph, Howard Univ., Washington, DC; and Q. Min

SESSION 11: MONSOONS: OBSERVATIONAL AND MODELING STUDIES, PART I

175 11.1 ON THE ORIGIN OF MONSOONS. Winston C. Chao, NASA/GSFC, Greenbelt, MD; and B. Chen

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13TH SYMPOSIUM ON GLOBAL CHANGE AND CLIMATE VARIATIONS

MONSOON PREDICTABILITY OF ECMWF ENSEMBLE SEASONAL SIMULATIONS. Cheng-Ta Chen, NationalTaiwan Normal Univ., Taipei, Taiwan

THE INTERSEASONAL VARIABILITY OF ASIAN SUMMER MONSOON. P. L. S. Rao, IBM India ResearchLaboratory, New Delhi, India

THE OBSERVED RELATIONSHIP BETWEEN SNOW COVER, SOIL MOISTURE, AND THE ASIAN MONSOON. AlanRobock, Rutgers Univ., New Brunswick, NJ; and M. Mu, K. Y. Vinnikov, and D. Robinson

PROJECTED FUTURE CHANGES IN SOUTH ASIAN MONSOON CLIMATE. Gerald A. Meehl, NCAR, Boulder, CO;and J. M. Arblaster

FORCED AND FREE INTRA-SEASONAL VARIABILITY OVER THE SOUTH ASIAN MONSOON REGIONSIMULATED BY 10 AGCMS. Man Li C. Wu, NASA/GSFC, Greenbelt, MD; and S. D. Schubert, I.-S. Kang, and D.Waliser

SESSION 12: CLIMATE CHANGE MODELING

12.1 ENSEMBLE CLIMATE SIMULATIONS INCLUDING NATURAL AND ANTHROPOGENIC FORCINGS. Anthony J.Broccoli, NOAA/GFDL, Princeton, NJ; and T. L. Delworth, K. W. Dixon, T. R. Knutson, and R. J. Stouffer

12.2 SOLAR VARIABILITY AND CLIMATE SYSTEM RESPONSE IN ENSEMBLE SIMULATIONS OF 20TH CENTURYCLIMATE. Gerald A. Meehl, NCAR, Boulder, CO; and W. M. Washington, T. M. L. Wigley, J. M. Arblaster, and A.Dai

UNCERTAINTY ANALYSIS OF GLOBAL CLIMATE CHANGE PROJECTIONS. Chris E. Forest, MIT, Cambridge,MA; and M. D. Webster, J. M. Reilly, A. P. Sokolov, P. H. Stone, H. D. Jacoby, and R. G. Prinn

POLAR CLIMATE AND SEA ICE IN COUPLED NCAR GCMS AND IN RECENT OBSERVATIONS. John W.Weatherly, Cold Regions Research and Engineering Lab, Hanover, NH

NORTH ATLANTIC OCEAN RESPONSE TO FUTURE ANTHROPOGENIC FORCING IN A COUPLED GCM. AiguoDai, NCAR, Boulder, CO; and G. A. Meehl, W. M. Washington, and W. G. Strand

STATIONARY WAVE RESPONSES TO CLIMATE CHANGE IN THE GFDL GCM. Mingfang Ting, Univ. of Illinois,Urbana, IL; and R. Joseph and P. J. Kushner

ON THE MECHANISM OF THE ENHANCED GREENHOUSE EFFECT: A RADIATIVE AND DYNAMICALPERSPECTIVE. J. Ray Bates, Univ. of Copenhagen, Copenhagen, Denmark

A COMPARISON OF THE BEHAVIOR OF DIFFERENT AOGCMS IN TRANSIENT CLIMATE CHANGEEXPERIMENTS. Andrei Sokolov, MIT, Cambridge, MA; and C. Forest and P. Stone

SESSION 13: USING ARM AND OTHER SOURCES FOR DIAGNOSTICS

197 13.1 EXAMINING MODEL SENSITIVITIES TO CLOUD MICROPHYSICS USING A SINGLE-COLUMN MODEL, NCEPFORECASTS AND ARM DATA. Sam F. lacobellis, SlO/Univ. of California, La Jolla, CA; and R. C. J. Somerville

13.2 VARIABILITY IN TROPICAL BROADBAND RADIATION BUDGET: OBSERVATIONS VERSUS MODELEDRESULTS. Takmeng Wong, NASA/LRC, Hampton, VA; and B. A. Wielicki, F. R. Robertson, J. Susskind, H.Jacobowitz, R. Allan, A. Slingo, D. A. Randall, B. J. Soden, C. T. Gordon, J. Kiehl, and S.-K. Yang

200 13.3 THE VARIABILITY OF CIRRUS CLOUDS DERIVED FROM 4 YEARS OF ARM DATA; RELATIONSHIPS TO THELARGE-SCALE METEOROLOGY. Erik N. Vernon, Univ. of Utah, Salt Lake City, UT; and G. G. Mace

203 13.4 CONVECTION AND LARGE-SCALE QUASI-EQUILIBRIUM IN MIDLATITUDE CONTINENTAL ENVIRONMENT.Guang J. Zhang, SlO/Univ. of California, La Jolla, CA


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SESSION 14: MONSOONS: OBSERVATIONAL AND MODELING STUDIES, PART II


205 14.2 FREQUENCY ANALYSIS OF INTRASEASONAL VARIATIONS IN THE NORTH AMERICAN MONSOON SYSTEM.Eileen A. Hall-McKim, CIRES/Univ. of Colorado, Boulder, CO; and A. Nolin, F. Lo, M. Serreze, and M. Clark

207 14.3 DIAGNOSTICS OF THE SUMMER CIRCULATION CHANGES OVER NORTH AMERICA AT SEASONAL ANDINTERANNUAL TIME SCALES. Renu Joseph, Univ. of Illinois, Urbana, IL; and M. Ting and H. Wang

210 14.4 LA NlnA IMPACT ON SUMMER MONSOON IN BRAZIL. Alice M. Grimm, Federal Univ. of Parana, Curitiba,Parana, Brazil

14.5 INTERANNUAL VARIABILITY OF THE WEST AFRICAN MONSOON IN THE NCEP SFM AND REANALYSIS.Wassila M. Thiaw, NOAA/NWS/NCEP/CPC, Camp Springs, MD; and M. Kanamitsu and V. Kumar

212 14.6 CONTRASTING CHARACTERISTICS OF THE 1993 AND 1994 EAST ASIAN SUMMER MONSOON:OBSERVATION AND SIMULATION. Wen-Shung Kau, National Taiwan Univ., Taipei, Taiwan; and H.-H. Hsu andR.-T. Chen

14.7 A NEW ASPECT OF THE ASIAN SUMMER MONSOON. Chia Chou, Institute of Earth Sciences, Academia Sinica,Taipei, Taiwan

14.8 SPATIO-TEMPORAL SCALES OF INDIAN OCEAN MONSOONAL CLOUD SYSTEMS IN GEOSYNCHRONOUSSATELLITE IMAGES AND A GENERAL CIRCULATION MODEL. Eric Wilcox, SlO/Univ. of California, La Jolla, CA;and V. Ramanathan

SESSION 15: CLIMATE MODEL DIAGNOSTICS: AMIP

214 15.1 THE ATMOSPHERIC MODEL INTERCOMPARISON PROJECT (AMIP): PROGRESS AND PLANS. Peter J.Gleckler, LLNL, Livermore, CA; and K. Taylor

216 15.2 COUPLED OCEAN-ATMOSPHERE VS. PRESCRIBED-SST SIMULATIONS: EFFECT OF A "PERFECT OCEAN". CurtCovey, LLNL, Livermore, CA; and K. M. AchutaRao, P. J. Gleckler, K. E. Taylor, and M. F. Wehner

218 15.3 SUMMERTIME INTRASEASONAL VARIABILITY IN THE AMIP SIMULATIONS. Huang-Hsiung Hsu, NationalTaiwan Univ., Taipei, Taiwan; and W.-S. Kau and J.-L. Chu

220 15.4 ASSESSMENT OF ATMOSPHERIC ANGULAR MOMENTUM PARAMETERS IN AMIP-2 SIMULATIONS. David A.Salstein, AER, Lexington, MA; and R. D. Rosen, J. 0. Dickey, and S. L. Marcus

15.5 TROPOSPHERIC TEMPERATURE SENSITIVITY FROM THE AMIP II EXPERIMENT. Justin Jay Hnilo, LLNL,Livermore, CA; and J. R. Christy

222 15.6 DIAGNOSTIC ANALYSES OF SHORT-TERM CLIMATE VARIABILITY IN NASA/GSFC GENERAL CIRCULATIONMODELS. Robert X. Black, Georgia Institute of Technology, Atlanta, GA; and D. P. Robinson

223 15.7 PREDICTABLE SKILL AND ITS ASSOCIATED SEA-SURFACE TEMPERATURE VARIABILITY IN AN ENSEMBLECLIMATE SIMULATION. C. Adam Schlosser, COLA, Calverton, MD; and B. P. Kirtman

SESSION 16: INTERANNUAL VARIABILITY III: OBSERVATIONAL STUDIES

225 16.1 THE INTERANNUAL VARIABILITY IN THE TROPICAL INDIAN OCEAN AND ITS DECADAL MODULATION. BohuaHuang, COLA, Calverton, MD; and J. Shukla

16.2 ONGOING DROUGHT IN SOUTHWEST ASIA: THE ROLE OF LARGE-SCALE CLIMATE VARIABILITY AND THETROPICAL OCEANS. Mathew A. Barlow, Columbia Univ., Palisades, NY; and H. Cullen and B. Lyon

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16.3 RELATIONSHIPS BETWEEN ENSO AND THE STATISTICS OF PRECIPITATION EXTREMES IN BRAZIL. WEI SHI,NOAA/NWS/NCEP/CPC, Camp Springs, MD; and R. W. Higgins and E. Yarosh

16.4 OBSERVATIONS OF ATLANTIC CONVERGENCE ZONES BY QUIKSCAT AND TRMM. Xiaosu Xie, JPL, Pasadena,CA; and W. T. Liu

16.5 SENSITIVITY OF THE TROPICAL ATMOSPHERIC ENERGY BALANCE TO ENSO-RELATED SST CHANGES: HOWWELL CAN WE QUANTIFY HYDROLOGIC AND RADIATIVE RESPONSES? Franklin R. Robertson, NASA/MSFC,Huntsville, AL; and D. Fitzjarrald and B.-J. Sohn

228 16.6 THE RESPONSE OF TROPICAL PRECIPITATION TO ENSO. Wesley Berg, Colorado State Univ., Fort Collins, CO;and C. Kummerow

231 16.7 RELATIONSHIPS BETWEEN CLIMATE VARIABILITY AND THE STATISTICS OF WINTER PRECIPITATIONEXTREMES IN THE UNITED STATES. Yaping Zhou, NOAA/NWS/NCEP/CPC, Camp Springs, MD; and R. W.Higgins


234 16.9 INTERANNUAL VARIABILITY OF SNOWFALL EVENTS AND SNOWFALL-TO-LIQUID WATER AMOUNTS INSOUTHWEST MISSOURI. Anthony R. Lupo, Univ. of Missouri, Columbia, MO; and D. Albert, R. Hearst, C.Allmeyer, and P. S. Market

16.10 INTERDECADAL VARIATIONS IN THE NORTHERN HEMISPHERE STORM TRACKS. Edmund K. M. Chang,Florida State Univ., Tallahassee, FL

16.11 THE CLIMATOLOGY AND INTERANNUAL VARIABILITY OF SATELLITE-OBSERVED PRECIPITATION IN THEPAN AMERICAN REGION. Scott Curtis, JCET/Univ. of Maryland Baltimore County, Greenbelt, MD; and R. F.Adlerand G. J. Huffman

237 16.12 GLOBAL OCEANIC PRECIPITATION FROM 1948 TO THE PRESENT: A RECONSTRUCTION OF HISTORICALGAUGE OBSERVATIONS. Pingping Xie, NOAA/NWS/NCEP/CPC, Camp Springs, MD; and M. Chen, J. E.Janowiak, P. A. Arkin, and T. M. Smith

240 16.13 DECADAL VARIABILITY IN TROPICAL PACIFIC CLIMATE. James Carton, Univ. of Maryland, College Park, MD;and K. C. Mo

242 16.14 AN INVESTIGATION OF THE VARYING EXTRATROPICAL CIRCULATION RESPONSE TO ENSO WARM EVENTSIN THE SOUTH PACIFIC. S. A. Harangozo, British Antarctic Survey, Cambridge, UK

16.15 PUTTING THE 1997-98 EL NINO IN HISTORICAL PERSPECTIVE. N. K. Larkin, JISAO/Univ. of Washington,Seattle, WA; and D. E. Harrison

245 16.16 WIND SPEED AND DIRECTION ANALYSES FOR A GROUP OF SOUTHEAST SURFACE STATIONS. Allen H.Weber, Savannah River Technology Center, Aiken, SC; and R. L. Buckley, M. J. Parker, and M. E. Brown

248 16.17 A SOIL MOISTURE ANALYSIS OF THE DROUGHT OF 1998 USING THE OKLAHOMA MESONET. Brad G. Illston,Oklahoma Climatological Survey, Univ. of Oklahoma, Norman, OK; and J. B. Basara and K. C. Crawford

251 16.18 INTRA- TO MULTIDECADAL (IMD) CLIMATE VARIABILITY OVER THE CONTINENTAL UNITED STATES: 1932-1999. Steven A. Mauget, USDA/ARS, Lubbock, TX; and D. R. Upchurch

254 16.19 THE DIURNAL CYCLE OF DEW POINT ACROSS OKLAHOMA'S WINTER WHEAT BELT. Matthew J. Haugland,Oklahoma Climatological Survey, Norman, OK; and K. C. Crawford

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JOINT SESSION J1: LAND-ATMOSPHERE INTERACTIONS: PART I (Joint with the 16th Conference on Hydrology)

J1.1 REDUCING NEAR-SURFACE COOL/MOIST BIASES OVER SNOWPACK AND EARLY SPRING WET SOILS INNCEP ETA MODEL FORECASTS VIA LAND SURFACE MODEL UPGRADES. Kenneth E. Mitchell,NOAA/NWS/NCEP/EMC, Camp Springs, MD; and M. Ek, D. Lohmann, V. Koren, J. Schaake, Q. Duan, P.Grunmann, G. Gayno, Y. Lin, E. Rogers, D. Tarpley, and C. Peters-Lidard

J1.2 REGIONAL SPECTRAL MODEL SIMULATION FOR BRAZIL WITH SOIL MOISTURE CORRECTION. Shyh-ChinChen, SlO/Univ. of California, La Jolla, CA; and J. 0. Roads

J1.3 EVALUATION OF LDAS LAND SURFACE MODELS WITH OBSERVED FORCING AND HYDROLOGY. Lifeng Luo,Rutgers Univ., New Brunswick, NJ; and A. Robock, K. E. Mitchell, P. R. Houser, J. C. Schaake, E. F. Wood, D. P.Lettenmaier, R. T. Pinker, and D. Tarpley

J1.4 EVALUATION OF STREAMFLOW AND SNOWPACK SIMULATIONS IN THE LAND SURFACE MODELS OF THELAND DATA ASSIMILATION SYSTEM (LDAS) PROJECT. Dag Lohmann, NOAA/NWS/NCEP/EMC, CampSprings, MD; and K. E. Mitchell, P. R. Houser, J. C. Schaake, E. F. Wood, D. Tarpley, W. Higgins, R. T. Pinker,A. Robock, D. P. Lettenmaier, B. Cosgrove, Q. Duan, J. Sheffield, and L. Luo

J1.5 FORCING A GLOBAL, OFFLINE LAND SURFACE MODELING SYSTEM WITH OBSERVATION-BASED FIELDS.Matthew Rodell, NASA/GSFC, Greenbelt, MD; and P. R. Houser, U. Jambor, J. Gottschalck, J. Radakovich, K.Arsenault, C.-J. Meng, and K. E. Mitchell

J1.6 GCM SIMULATION OF THE LARGE-SCALE NORTH AMERICAN MONSOON INCLUDING WATER VAPORTRACER DIAGNOSTICS. Michael G. Bosilovich, NASA/GSFC, Greenbelt, MD; and G. K. Walker, S. D. Schubert,and Y. Sud

J1.7 PAPER WITHDRAWN

J1.8 LAND-ATMOSPHERE INTERACTIONS AT THE NORMAN MESONET SITE. Jeffrey B. Basara, OklahomaClimatological Survey, Univ. of Oklahoma, Norman, OK; and K. C. Crawford

J1.9 LAND-ATMOSPHERE FEEDBACK ACROSS EASTERN OKLAHOMA FOLLOWING THE MCS EVENTS OF AUGUST1994. Derek S. Arndt, Oklahoma Climatological Survey, Univ. of Oklahoma, Norman, OK; and K. C. Crawford

J1.10 THE IMPACT OF OKLAHOMA'S WINTER WHEAT CROP ON THE MESOSCALE ENVIRONMENT. Renee A.McPherson, Oklahoma Climatological Survey, Univ. of Oklahoma, Norman, OK

J1.11 SPATIAL AND TEMPORAL CORRELATIONS AMONG OKLAHOMA MESONET AND OASIS SURFACE-LAYERMEASUREMENTS. Jerald A. Brotzge, CAPS/Univ. of Oklahoma, Norman, OK; and S. J. Richardson

J1.12 SIMULATION OF FINE-SCALE SOIL MOISTURE VARIATIONS IN THE WALNUT RIVER WATERSHED INKANSAS. Yiwen Xu, ANL, Argonne, IL; and M. L. Wesely

J1.13 A MULTIPLE-LAYER CANOPY MODEL: SOLVING THE EXCHANGES BETWEEN SIZE-STRUCTUREDVEGETATION AND ATMOSPHERE. Guiling Wang, Princeton Univ., Princeton, NJ; and S.-M. Fan, E. Shevliakova,S. W. Pacala, and P. A. Moorcroft

J1.14 IMPACT OF LAND USE/LAND COVER CHANGE ON U. S. CLIMATE. Somnath Baidyaroy, Princeton Univ.,Princeton, NJ; and C. P. Weaver and S. W. Pacala

J1.15 IMPACT OF REMOTELY SENSED LEAF AREA INDEX ON A GLOBAL LAND DATA ASSIMILATION SYSTEM. JonC. Gottschalck, NASA/GSFC, Greenbelt, MD; and P. R. Houser and X. Zeng

J1.16 HYDROLOGICAL LAND SURFACE RESPONSE IN A TROPICAL AND A MIDLATITUDINAL REGIME. Dev dutta S.Niyogi, North Carolina State Univ., Raleigh, NC; and Y. Xue and S. Raman

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J49 J1.17 THE ROLE OF VEGETATION IN THE MOUNTAINOUS REGIONS OF THE CENTRAL HIMALAYAS. Osman Yildiz,Penn State Univ., University Park, PA; and A. P. Barros

J50 J1.18 THE IMPACT OF HYDROLOGICAL PROCESSES BEFORE AND AFTER A BUSHFIRE IN A WATERSHED INSOUTHEASTERN AUSTRALIA. Milton S. Speer, Bureau of Meteorology, Sydney, NSW, Australia; and L. M.Leslie, S. Liu, R. P. Morison, and L. Qi

J52 J1.19 A NEW METHOD FOR ESTIMATING EVAPORATION FROM LARGE RESERVOIRS. Edgar L Andreas, U.S. ArmyCold Regions Research and Engineering Laboratory, Hanover, NH; and S. F. Daly, G. G. Koenig, and M. E.Nelson

J58 J1.20 IMPACTS OF SOIL WATER FREEZING POINT ON SOIL FREEZE-THAW CYCLES AND RUNOFF: A STUDY USINGTHE COMMUNITY LAND MODEL (CLM). Zong-Liang Yang, Univ. of Arizona, Tucson, AZ; and G.-Y. Niu

J61 J1.21 SOUTHERN ICELAND DISCHARGE AND REGIONAL CLIMATE-NORTH ATLANTIC ATMOSPHERIC CIRCULATIONRELATIONSHIPS 1973-1992. Glenn R McGregor, Univ. of Birmingham, Birmingham, UK; and D. M. LawlerandI. D. Phillips

J67 J1.22 AN EVALUATION OF DOWNSCALING PREDICTED PRECIPITATION IN A COUPLED MODELING SYSTEM. KeeleyR. Costigan, LANL, Los Alamos, NM; and C. D. Tomkins, E. P. Springer, C. L. Winter, J. R. Stalker, and D. L.Langley

JOINT SESSION J2: CLIMATE MODEL DIAGNOSTICS: TOOLS (Joint with the 18th Conference UPS)

J71 J2.1 CLIMATE DATA ANALYSIS TOOL: AN OPEN SOFTWARE SYSTEM APPROACH. Dean N. Williams, LLNL,Livermore, CA; and R. S. Drach, P. F. Dubois, C. Doutriaux, C. J. O'Connor, K. M. AchutaRao, and M. Fiorino

J74 J2.2 THE LIVE ACCESS SERVER: A TOOL FOR WEB ACCESS TO IN-SITU DATA COLLECTIONS, TOO. Steven Hankin,NOAA/PMEL, Seattle, WA; and J. Sirott, J. Callahan, K. O'Brien, and A. Manke

J76 J2.3 THE NOAA OPERATIONAL MODEL ARCHIVE AND DISTRIBUTION SYSTEM (NOMADS). Glenn K. Rutledge,NOAA/NESDIS/NCDC, Asheville, NC; and J. Alpert, R. Stouffer, B. Domenico, L. Buja, D. Williams, B. Doty, M.Kafatos, and S. Hankin

J2.4 ARCAS (ACACIA REGIONAL CLIMATE-DATA ACCESS SYSTEM)—A WEB ACCESS SYSTEM FOR CLIMATEMODEL DATA ACCESS, VISUALIZATION AND COMPARISON. T. M. L. Wigley, NCAR, Boulder, CO; and D.Brown, J. Callahan, S. Hankin, C. Hakkarinen, M. de Koningh, D. Middleton-link, and J. Sirott

J2.5 PAPER WITHDRAWN

J79 J2.6 A SUITE OF WEB PAGES FOR ANALYZING CLIMATE SIGNALS IN LARGE DATASETS. Catherine A. Smith,NOAA/CIRES, Univ. of Colorado, Boulder, CO; and J. A. Collins and R. H. Schweitzer

JOINT SESSION J3: CLIMATE VARIATIONS AND FORECASTING (Joint with the 16th Conference Probability andStatistics)

J81 J3.1 A NEW SIGNIFICANCE TEST FOR EMPIRICAL ORTHOGONAL FUNCTIONS. M. S. Santhanam, IBM IndiaResearch Laboratory, New Delhi, India; and B. Aditya and G. A. Kumar

J83 J3.2 THE CORRELATION STRUCTURE OF SOME SIMPLE INDICES OF GLOBAL CLIMATE VARIABILITY ANDCHANGE. David J. Karoly, Monash Univ., Clayton, Vic, Australia; and K. Braganza

J85 J3.3 CLOUDINESS TRENDS IN CANADA. Ewa J. Milewska, MSC, Toronto, ON, Canada

J3.4 A LINEAR APPROACH TO ATMOSPHERIC PREDICTABILITY ON THE MEDIUM AND EXTENDED RANGE.Matthew Newman, NOAA/ERL/CDC, Boulder, CO; and P. D. Sardeshmukh and C. R. Winkler

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J91 J3.5 DO WEATHER OR CLIMATE VARIABLES AND THEIR IMPACTS HAVE HEAVY-TAILED DISTRIBUTIONS?Richard W. Katz, NCAR, Boulder, CO

J95 J3.6 A HAZARD MODEL FOR TORNADO OCCURRENCE IN THE UNITED STATES. Cathryn L. Meyer, Boston College,Boston, MA; and H. E. Brooks and M. P. Kay

J103 J3.7 A NEW PERSPECTIVE ON THE CLIMATOLOGY OF TORNADOES IN THE UNITED STATES. Sara L. Bruening,Univ. of Wisconsin, Milwaukee, Wl; and M. P. Kay and H. E. Brooks

J111 J3.8 DETERMINING FOG TYPE IN THE LOS ANGELES BASIN USING HISTORIC SURFACE OBSERVATION DATA.Jeffrey A. Baars, Terabeam, Redmond, WA; and M. Witiw, A. Al-Habash, and J. Ramaprasad

J115 J3.9 FOG IN THE LOS ANGELES BASIN: INFLUENCE OF THE EL NINO SOUTHERN OSCILLATION AND THE PACIFICDECADAL OSCILLATION. Michael R. Witiw, Terabeam, Redmond, WA; and J. A. Baars and J. Ramaprasad

J117 J3.10 EXPERIMENTAL FORECASTING OF DRY SEASON "STORMINESS" OVER FLORIDA AND THE SOUTHEASTUNITED STATES FROM THE ENSO SIGNAL USING MULTIPLE LINEAR REGRESSION TECHNIQUES. Bartlett C.Hagemeyer, NOAA/NWS, Melbourne, FL; and R. A. Almeida

J3.11 PREDICTABILITY OF ANOMALOUS STORM TRACKS. Gilbert P. Compo, NOAA/CIRES/CDC, Boulder, CO; and P.D. Sardeshmukh and C. Penland

J125 J3.12 SEASONAL FORECASTING OF STRONG WINDS OVER EUROPE. J. P. Palutikof, Univ. of East Anglia, Norwich,UK; and T. Holt and T. J. Osborn

J129 J3.13 A SPACE-TIME MODEL FOR SEASONAL HURRICANE PREDICTION. Thomas H. Jagger, Florida State Univ.,Tallahassee, FL; and X. Niu and J. B. Eisner

J137 J3.14 PREDICTIVE UNITED STATES' HURRICANE CLIMATE. James B. Eisner, Florida State Univ., Tallahassee, FL;and B. H. Bossak

JOINT POSTER SESSION JP1: LAND AMOSPHERE INTERACTIONS (Joint with hhe 16th Conference on Hydrology)

J142 JP1.1 WARM-SEASON LAND-ATMOSPHERE INTERACTIONS IN THE NEBRASKA SAND HILLS. Clinton M. Rowe,Univ. of Nebraska, Lincoln, NE; and M. R. Anderson

J146 JP1.2 SPATIAL-TEMPORAL VARIABILITY OF THE GROUNDWATER LEVEL. Maria del Valle Venencio, UniversidadNacional del Litoral, Santa Fe, Argentina; and N. 0. Garcia

JP1.3 SOIL MOISTURE-RAINFALL FEEDBACK ON THE NORTH AMERICAN MONSOON SYSTEM. Jianjun Xu, NewMexico Institute of Mining & Technology, Socorro, NM; and E. E. Small

J148 JP1.4 QUANTIFYING LAND-ATMOSPHERE INTERACTIONS AT THE NORMAN MESONET SITE: A SENSITIVITYANALYSIS USING THE OREGON STATE UNIV. 1-D PBL MODEL. Jeffrey B. Basara, Oklahoma ClimatologicalSurvey, Univ. of Oklahoma, Norman, OK; and K. C. Crawford and M. B. Ek

J154 JP1.5 DIURNAL RELATIONSHIPS BETWEEN SOIL HEAT FLUX AND NET RADIATION OVER A RANGE OF SURFACECONDITIONS APPLIED TO LAND SURFACE ENERGY BALANCE MODELING. Joseph Anthony Santanello, Jr.,Boston Univ., Boston, MA; and M. A. Friedl

JP1.6 PAPER WITHDRAWN

J159 JP1.7 MODELING OF EVAPORATION FROM A FOREST FLOOR AND APPLICATION TO A BASIN. Koji Tamai, Forestry& Forest Products Research Institute, Kyoto, Japan

JP1.8 ESTIMATION OF SEASONAL CHANGES IN SOIL MOISTURE STORAGE BASED ON WATER BALANCECALCULATIONS. Sonia I. Seneviratne, ETH, Zurich, Switzerland; and P. A. Viterbo and C. Schar

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J165 JP1.9 DIURNAL CYCLES IN RIVER DISCHARGE: A KEY TO UNDERSTANDING SNOWMELT, EVAPOTRANSPIRATION,AND INFILTRATION. Jessica D. Lundquist, SlO/Univ. of California, La Jolla, CA

J169 JP1.1O ASSESSMENT OF IMPLEMENTING SATELLITE-DERIVED LAND COVER DATA IN THE ETA MODEL. Nicole P.Kurkowski, Univ. of Oklahoma, Norman, OK; and D. J. Stensrud

J171 JP1.11 ABOUT OF THE 1970/71 CLIMATIC JUMP ON THE "RIO DE LA PLATA" BASIN. Norberto 0. Garcia, UniversidadNacional del Litoral, Santa Fe, Argentina; and W. M. Vargas and M. D. V. Venencio

JOINT SESSION J4: LAND ATMPOSPHERE INTERACTIONS: PART II (Joint with the 16th Conference on Hydrology)

J175 J4.1 IMPACT OF SURFACE CONDITIONS ON THE NORTH AMERICAN MONSOON SIMULATIONS. Kingtse C. Mo,NOAA/NWS/NCEP/CPC, Camp Springs, MD; and M. Kanamitsu and H. M. Juang

BASIN-SCALE HYDROLOGIC BUDGETS FROM ERA-40 FOR THE MISSISSIPPI, MACKENZIE AND AMAZONRIVERS. Alan K. Betts, Atmospheric Research, Pittsford, VT; and P. Viterbo

COUPLED CLIMATE-RUNOFF SIMULATIONS: A PROCESS STUDY OF CURRENT AND A WARMER CLIMATE INTHE RHINE BASIN. Jan Kleinn, ETH, Zurich, Switzerland; and C. Frei, J. Gurtz, P. L. Vidale, and C. Schar

THE EFFECTS OF IMPLEMENTING TOPMODEL CONCEPTS IN THE NOAH MODEL. C. D. Peters-Lidard,NASA/GFSC, Greenbelt, MD

THE EFFECT OF ERRORS IN SNOW ASSIMILATION ON LAND SURFACE MODELING. Brian A. Cosgrove, SAICand NASA/GSFC, Greenbelt, MD; and P. R. Houser

MODELING THE IMPACT OF IRRIGATION ON MID-SUMMER SURFACE ENERGY BUDGET AND THECONVECTIVE BOUNDARY LAYER (CBL) IN THE U.S. HIGH PLAINS. Jimmy 0. Adegoke, CIRA/Colorado StateUniv., Fort Collins, CO; and R. A. Pielke, Sr., J. L. Eastman, R. Mahmood, and K. G. Hubbard

EVALUATION OF ETA MODEL ATMOSPHERIC WATER BUDGET COMPONENTS FROM MODEL LOCATION TIMESERIES (MOLTS). Evgeney S. Yarosh, NOAA/NWS/NCEP/CPC, Camp Springs, MD; and R. W. Higgins

INFLUENCE OF HYDROLOGIC MEMORY ON TERRESTRIAL IMPACTS OF ENSO. Praveen Kumar, Univ. ofIllinois, Urbana, IL; and J. Chen

JOINT SESSION J5: STATISTICAL DOWNSCALING (Joint with the 16th Conference on Probability and Statistics)

J202 J5.1 SENSITIVITY OF CLIMATE CHANGE ESTIMATES USING STATISTICAL DOWNSCALING TO THE METHOD ANDPREDICTORS. Radan Huth, Institute of Atmospheric Physics, Prague, Czech Republic

MODELING STOCHASTIC STRUCTURE OF DAILY TEMPERATURE AS DOWNSCALING OF GCM FIELDS. MarinaM. Timofeyeva, UCAR and NOAA/NWS, Silver Spring, MD; and R. G. Craig

A SPATIAL TIME SERIES FRAMEWORK FOR MODELING DAILY PRECIPITATION AT REGIONAL SCALES.Phaedon C. Kyriakidis, Univ. of California, Santa Barbara, CA; and N. L. Miller and J. Kim

REGIONAL CLIMATE CHANGE SCENARIOS IN ATLANTIC CANADA UTILIZING STATISTICAL DOWNSCALINGTECHNIQUES: PRELIMINARY RESULTS. Gary S. Lines, MSC, Dartmouth, NS, Canada; and E. Barrow

NORTH ATLANTIC OCEAN WAVE CLIMATE CHANGE SCENARIOS. Xiaolan L. Wang, MSC, Downsview, ON,Canada; and V. R. Swail

POSSIBLE CLIMATE CHANGE IMPACTS ON OZONE IN THE GREAT LAKES REGION: SOME IMPLICATIONS FORRESPIRATORY ILLNESS. Peter J. Sousounis, Univ. of Michigan, Ann Arbor, Ml; and C. P. J. Scott and M. L.Wilson

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TABLE OF CONTENTS


JOINT SESSION J6: SURFACE/ATMOSPHERE INTERACTIONS PART I: (Joint with the 16th Conference on Hydrology)

J290 J6.1 A RETROSPECTIVE AND OUTLOOK FOR GCIP/GAPP CONTRIBUTIONS TO LAND SURFACE AND LANDATMOSPHERE MODELING. Richard G. Lawford, NOAA/OGP, Silver Spring, MD

J6.2 SOIL MOISTURE AND SNOW COVER: ACTIVE OR PASSIVE ELEMENTS OF CLIMATE? Robert J. Oglesby,NASA/MSFC/GHCC, Huntsville, AL;and S. Marshall, D. J. Erickson III, J. 0. Roads,and F. R. Robertson

J234 J6.3 EVALUATING THE IMPACT OF REALISTIC LAND CONDITIONS IN DYNAMICAL SEASONAL PREDICTIONS. C.Adam Schlosser, COLA, Calverton, MD; and P. A. Dirmeyer

J6.4 DOES LANDSURFACE MATTER IN WEATHER AND CLIMATE? Martin Claussen, Potsdam Institute of ClimateImpact Research, Potsdam, Germany

J236 J6.5 INVESTIGATION OF DEEP SOIL TEMPERATURE-ATMOSPHERE INTERACTION IN NORTH AMERICA. YongkangXue, Univ. of California, Los Angeles, CA; and L. Yi, M. Ruml, and R. Vasic

J6.6 PRELIMINARY ANALYSIS OF COUPLED LAND-ATMOSPHERE INTERACTIONS IN AMIP II SIMULATIONS.Thomas J. Phillips, LLNL, Livermore, CA; and P. Irannejad, A. Henderson-Sellers, K. McGuffie, E. Clayton, andS. Sharmeen

J6.7 THE IMPACT OF SOIL MOISTURE INITIALIZATION ON SEASONAL PRECIPITATION FORECASTS. Randal D.Koster, NASA/GSFC, Greenbelt, MD; and M. J. Suarez and L. Tyahla

J6.8 INTEGRATION OF REMOTE SENSING AND IN-SITU DATA FOR GLOBAL LAND-ATMOSPHERE INTERACTIONSTUDIES. Xubin Zeng, Univ. of Arizona, Tucson, AZ

J238 J6.9 WEEKLY TO MONTHLY PREDICTABILITY OF THE EARLY-SUMMER PRECIPITATION IN THE LSA-EAST. Da-LinZhang, Univ. of Maryland, College Park, MD; and W. Zheng and Y. Xue

JOINT SESSION J7: WITH THE SYMPOSIUM ON OBSERVATIONS, DATA ASSIMILATION, AND PROBABILISTICPREDICTION

POTENTIAL PREDICTABILITY OF THE MADDEN-JULIAN OSCILLATION. Duane E. Waliser, SUNY, Stony Brook,NY; and W. Stern, K.-M. Lau, and C. Jones

PERSISTENT LOCALLY COUPLED ANOMALIES IN THE OCEAN-ATMOSPHERE. Malaquias Pena, Univ. ofMaryland, College Park, MD; and E. Kalnay and M. Cai

INTER-DECADAL STORM TRACK VARIATIONS AS SEEN IN NCEP/NCAR REANALYSIS DATA ANDRADIOSONDE OBSERVATIONS. Nili Harnik, Florida State Univ., Tallahassee, FL; and E. K. M. Chang

SURFACE TURBULENT HEAT FLUXES OVER THE ATLANTIC OCEAN SYNTHESIZED FROM SATELLITEMEASUREMENTS AND NWP MODEL ANALYSES. Bomin Sun, WHOI, Woods Hole, MA; and L. Yu and R. A.Weller

FEASIBILITY OF REANALYSIS BEFORE THE RADIOSONDE ERA. Gilbert P. Compo, NOAA/CIRES/CDC, Boulder,CO; and J. S. Whitaker and P. D. Sardeshmukh

LONG-LEAD WINTERTIME POTENTIAL PREDICTABILITY: AN ASSESSMENT FROM NCEP'S CLIMATE MODEL.Wilbur Y. Chen, NOAA/NWS/NCEP/CPC, Camp Springs, MD

DESIGN OF THE FRAMEWORK OF HIGH-RESOLUTION GLOBAL ATMOSPHERIC MODELS. Bin Wang, Instituteof Atmospheric Physics, Chinese Academy of Sciences, Beijing, China

JOINT SESSION J8: SURFACE/ATMOSPHERE INTERACTIONS: PART I (Joint with the 16th Conference on Hydrology)

J8.1 BIOSPHERE-ATMOSPHERE INTERACTIONS IN AMAZONIA. Carlos A. Nobre, Brazilian Weather and ClimateForecasting Center, Cachoeira Paulista, Brazil

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J8.2 INTERACTION OF NATURAL AND ANTHROPOGENIC FACTORS IN AMAZON RAINFALL. Raymond W. Arritt,Iowa State Univ., Ames, IA; and T.-C. Chen and K. J. St. Croix

J260 J8.3 THE LOCAL AND GLOBAL EFFECTS OF AMAZON DEFORESTATION. David Werth, Duke Univ., Durham, NC; andR. Avissar

J8.4 HUMAN INFLUENCES ON THE GLOBAL CLIMATE SYSTEM—THE FIRST ORDER EFFECT OF LANDUSE CHANGEAND LANDSCAPE DYNAMICS. Roger A. Pielke, Sr, Colorado State Univ., Fort Collins, CO; and T. N. Chase, J.L. Eastman, and M. Coughenour

J8.5 MODELING THE IMPACT OF THE AMAZON DEFORESTATION IN SOUTH AMERICAN CLIMATE WITH THEETA/SSI B MODEL. Clemente A. S. Tanajura, Laboratorio Nacional de Computacao Cientifica, Petropolis, Rio deJaneiro, Brazil; and S. C. Chou and Y. Xue

IMPACT OF LAND-USE MANAGEMENT PRACTICES IN FLORIDA ON THE REGIONAL CLIMATE OF SOUTHFLORIDA AND THE EVERGLADES. Curtis H. Marshall, Jr., Colorado State Univ., Fort Collins, CO; and R. A.Pielke Sr., L. T. Steyaert, T. M. Cronin, D. A. Willard, J. W. Jones, T. J. Smith III, and J. R. Irons.

INFLUENCE OF LAND USE ON THE REGIONAL CLIMATE OF SOUTHWEST AUSTRALIA. Deepak K. Ray, Univ. ofAlabama, Huntsville, AL; and U. S. Nair, R. M. Welch, W. Su, and T Kikuchi

SENSITIVITY OF GREAT FLOODS TO RADIATIVELY FORCED CLIMATE CHANGE. P. C. D. Milly, USGS,Princeton, NJ; and R. T. Wetherald, T. L. Delworth, and K. A. Dunne

UNCERTAINTY ANALYSIS OF CALIFORNIA STREAMFLOW USING MULTIPLE CLIMATE CHANGE SCENARIOS.Norman L. Miller, Univ. of Calfornia, Berkeley National Lab., Berkeley, CA; and K. E. Bashford

EFFECTS OF MESOSCALE TERRAIN ON CLIMATE CHANGE SIGNAL IN THE WESTERN U.S. Jinwon Kim, Univ.of California, Los Angeles, CA

SUMMER DRYNESS AND GREENHOUSE WARMING: A PROCESS STUDY FOR THE MIDWESTERN UNITEDSTATES. Sonia I. Seneviratne, ETH, Zurich, Switzerland; and J. S. Pal, E. A. B. Eltahir, and C. SchSr

SIMULATING CARBON AND ENERGY EXCHANGES OVER THE AMAZONIA USING A PHOTOSYNTHESIS MODELWITHIN SSIB. Dev dutta S. Niyogi, North Carolina State Univ., Raleigh, NC; and Y. Xue, X. Zhan, and G. J.Collatz

CLIMATE, CARBON AND THE BOREAL ECOSYSTEM. Forrest G. Hall, NASA/GSFC, Beltsville, MD; and A. K.Betts, S. Frolking, R. Brown, J. Chen, S. Halldin, D. P. Lettenmaier, and J. Schafer

IMPACT OF REMOTELY SENSED LAND SURFACE VARIABLES ON SIMULATIONS OF ENERGY. Stephen D.Prince, Univ. of Maryland, College Park, MD; and Y. Xue, J. S. Borak, S. 0. Los, and A. C. Gleason

IMPROVING THE REPRESENTATION OF ARID REGIONS OF NORTHERN AFRICA AND THE ARABIANPENINSULA IN CLIMATE MODELS BY INCORPORATING MODIS DERIVED SURFACE ALBEDO. ElenaTsvetsinskaya, Boston Univ., Boston, MA; and C. Schaaf, F. Gao, A. Strahler, R. E. Dickinson, and X. Zeng

IMPORTANCE OF WINDS AND SOIL MOISTURES TO THE U.S. SUMMERTIME DROUGHT OF 1988: A GCMSIMULATION STUDY. David M. Mocko, NASA/GSFC, Greenbelt, MD; and Y. C. Sud

IMPROVING THE REPRESENTATION OF SNOW PROCESSES IN GLOBAL CLIMATE MODELS. Zong-Liang Yang,Univ. of Texas, Austin, TX; and G.-Y. Niu

MODELING CROP GROWTH USING MODIFIED NCAR LSM 1.0. Guo-Yue Niu, Univ. of Texas, Austin, TX; and Z.-L. Yang

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