development and simulation of recharge scenarios to ......paleo-avulsions suwannee river intro data...

Development and Simulation of Recharge Scenarios to Enhance Springflow

Joshua “Bud” Davis, PhD1

Lisa Baker, PE2

Rachel Pieschek, PE1

1Drummond Carpenter, PLLC, Orlando, FL 328172Locklear and Associates, Inc., Gainesville, FL 32606

12019 Florida Stormwater Assoc. Annual Conference6/20/19

Introduction

2

Natural North Florida

Dixie Co. Chamber

SRWMD

Intro Data Model Results Application

Focus Sites

3


Dixie Co. Chamber

SRWMD

Lower Suwannee

Cow Pond


Ditching and Draining

4


Dixie Co. Chamber

SRWMD



5


Dixie Co. Chamber

SRWMD

Locklear



6


Dixie Co. Chamber

SRWMD

Locklear


Motivation

restore ponds and wetlandswildlife habitataquifer rechargeenhance springflowreduce direct runoff

7


Dixie Co. Chamber

SRWMD


Current Status

developed ICPR v4 modeltwo dimensionalcoupled groundwater/surface watercalibrated

applied restoration testingfuture works

informed stakeholder engagementmodel extension

8


Dixie Co. Chamber

SRWMD


Area of Interest: Lower Suwannee

flat topographylower suwannee: 3-45 asl

9

railroad grade

drainage channel

outlet

paleo-avulsions

SuwanneeRiver



Water Level Monitoring

10


11Intro Data Model Results Application


12

Non-continuous 10/2017 Continuous 7/1/2018

SRWMD

SR



13

Summer Flooding


Summer Flooding

14

Dixie Co. Locklear


Summer Flooding

15

Dixie Co. Locklear


Summer Flooding

16

Dixie Co.


Summer Flooding

17

Dixie Co.


Summer Flooding

18

Dixie Co. Locklear


Summer Flooding

19

Dixie Co. Locklear


Summer Flooding

20

Dixie Co. Locklear



21

December Flooding


December Flooding

22

Dixie Co. Drummond Carpenter


December Flooding

23



December Flooding

24



December Flooding

25




Surveying

26

Surveying

27

Locklear Locklear


Channel Restoration

clearing effort between 06/2018 and 09/2018

28

SRWMD

Dixie Co.

Locklear


Channel Restoration


29

SRWMD

Dixie Co.

Locklear


Channel Restoration


30

SRWMD

Dixie Co.

Locklear


Precipitation Data

31

December FloodingSummer Flooding


Precipitation Data


Precipitation Data – July to Sep.


Precipitation Data – Nov. to Jan.


Calibration Period

35

December Flooding


Calibration Period

36

2018 2019Today

Jun Aug Oct Dec Feb Apr Jun

6/26/2018 - 6/20/2019Continuous GW Monitoring

7/22/2018 - 9/12/2018Summer Flooding

12/14/2018 - 12/29/2018December Flooding

6/24/2018 - 9/28/2018Channel Clearing

8/1/2018 - 9/30/2018Low Qual. Precip.

12/1/2018 - 12/22/2018Current Calibration Period

12/1/2018 - 5/1/2019Target Calibration Period



37

December Flooding




39

ICPR v4 Model

40

280 nodes300 linkscoupled groundwater and surface waterspatially varying subsurface conditionstime-varying boundary conditions surface water mesh


ICPR v4 Model

41

280 nodes300 linkscoupled groundwater and surface waterspatially varying subsurface conditionstime-varying boundary conditions groundwater mesh



Calibration

boundary conditionsroughness

green-ampt parametershydraulic conductivity

effective porosity42


Calibration

43

(Marsalek et al, 1975)


Calibration

44


Calibration

45

Locklear

Calibration


Drummond Carpenter


Calibration

47

Calibration


roughness – landusega – web soil surveyhyd. cond. – slug testseff. porosity – 0.10 to 0.25


Calibration Results

49



Calibration Results – 18% Error

50

0.35 ft


Calibration Results

51




52

0.2 ft


Calibration Results

53




54

0.1 ft

Modeling Results

55

12/1/2018

0 45


ft

Modeling Results

56

12/21/2018


0 45ft


Modeling Results

57

12/21/2018

0 14.3ft

Model Application

58

Locklear


B

A

C D

Model Application


A

B

C D

Model Application


DC

B

A

Model Application – Design Storms

61

Dixie Co. 100YR_024HR


A B C D

Model Application - Continuous

comparison with calibrated model

800,000 sq. ft. in new recharge area

additional 150 mgd of recharge over period

62

Dixie Co. Dec. Floods


B

C D

A

long-period calibrationrestoration design testingstakeholder engagementmodel extension/connection

Future Works


Conclusions

developed ICPR v4 modeltwo dimensionalcoupled groundwater/surface waterprelim. calibrated

applied restoration testingrecharge opportunities

64


Dixie Co. Chamber

SRWMD


Questions?Special thanks to:


DCRachel Pieschek Don Carpenter Chad DrummondRyan Hupfer

LocklearLisa Baker John Locklear Walker Wrenn Jered Lizotte

Dixie CoTim Alexander Duane Cannon

SRWMDBob HeekeFay Baird

development and simulation of recharge scenarios to ......paleo-avulsions suwannee river intro data...

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