the central mississippi river basin ltar site infrastructure - sadler
TRANSCRIPT
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The Central Mississippi River BasinLTAR Site Infrastructure
John Sadler, Ken Sudduth, Bob Lerch, Claire Baffaut, Newell Kitchen, Scott Drummond
USDA-ARS Cropping Systems and Water Quality Research,
Columbia MO
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CSWQRU
AmeriFlux (Forested)
Tucker Prairie
Prairie Forks CA
NRCS PI Center
MU Greenley RC
MU HARC
MU RC’s
Goodwater Creek EW
Mark Twain Lake
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Goodwater Creek EW
Young’sCreek
Lower Long Branch (USGS)
Upper Long Branch
CSWQRU
South Fork Salt R
(USGS)
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Centralia(pop ~4200)
Weir 11
Weir 9
Weir 1
Field 1 (ASP)Field 3 (BAU)
Field 2
GW Well Nest
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Shop, Storage
30 Plots0.34 ha
18 Flumes
Field 1ASP
Field 1Weir
GW Well nests
Weatherstation
FluxTower
X
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Long-Term Agro-ecosystem Research in the Central Mississippi River Basin
• Special Section of the Journal of Environmental Quality, 2015, Vol 44:3-96– Introduction and overview– Weather data– Flow data– Herbicide data– Nutrient data– With extensive supplemental online
materials– Plus 4 papers on research, in
groundwater, stream, and lake nutrients, and in modeling in the GCEW
– Supplemented by earlier papers in other journals on sediment data, methods, and production systems
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Upgrades
• Stream flow, sampling, and telecommunications– Lower Long Branch, Upper Long Branch, Young’s
• From seasonal to full-year• Telecommunications by cellular modem
– Weir 11 and Field 3• Weirs in place from prior era - install samplers• RF450 telecommunications
– Weir 1 and Field 1• Currently full-year – just upgrade samplers• RF450 telecommunications
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Goodwater Creek EW
Young’sCreek
Lower Long Branch (USGS)
Upper Long Branch
CSWQRU
South Fork Salt R
(USGS)
Weir in place, re-commissioned
Sampler and comm upgrade
Seasonal > full-year and comm
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Telecommunication Upgrades
• Broadband link to the site– 6 Mbps up, 2 Mbps down
• Wifi at 5 GHz standard within field site– Security cameras, plot flowcams, phenocams– Smartphone access to data from servers, and to internet
• CSI RF450 network at 2.4 GHz– Raingauge network, Weather station, GCEW Weirs, Flux towers,
other outlying sites• CSI RF416 network at 2.4 GHz
– Plot flow, samples, other plot equipment• Cellular modems
– Three largest stream sites – too distant for RF450 network
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Broadband,WiFi, and RF4xxCommunications
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Common Experiment
• ASP – Aspirational – Field 1– CSW rotation currently, no-till with cover crop– Done by ARS staff– VR Nutrients by crop sensing and soil sampling– Surface flow and sampling in place (upgrading)– Established Flux Tower there in 2015
• BAU – Business As Usual – Field 3– Mulch-till corn-soybean rotation– Done by local producer– Weir exists, establish flow measurement and sampling– Will target Flux Tower in 2016
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Weather Station - Specific local tests
• Historical vs ongoing LTAR instruments• Rain gauges– Weighing vs tipping bucket– Shielded vs unshielded
• Soil moisture– Stevens Hydroprobes in SCAN station– CSI probes for comparison at each depth
• Non-contact water stage sensors for bridges
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Thank you!