2. A MODEL INTEGRATION FRAMEWORK FOR ASSESSING SURFACE AND SUBSURFACE WATER INTERACTION
Improve process model simulation at the WS
• New research knowledge becomes available
• Finer spatio-temporal resolutions data
• Feedback fluxes
• Long-term impacts assessments
• Future scenarios
• Agro-ecosystem interactions
• Decrease uncertainty in model outputs
Surface
SubSurface
3. Guzman et al. (2012a, 2012b, 2013)
Surface
USZ
SZ
BF
OF
PET
I
DP CR
Ain
Aout
RO
PF
WF IR
• Distributed ET fluxes
• Distributed percolation fluxes
• Distributed groundwater
feedback fluxes
• Surface-groundwater interaction
Atmospheric-surface-subsurface hydrologic linkage
• Hydrologic cycle is a complex system
• Essential to account for in water budgets
A MODEL INTEGRATION FRAMEWORK FOR ASSESSING SURFACE AND SUBSURFACE WATER INTERACTION
4. A MODEL INTEGRATION FRAMEWORK FOR ASSESSING SURFACE AND SUBSURFACE WATER INTERACTION
SPELLmap
SWATmf
SWAT‐MODFLOW
Spatio‐Temporal Analysis
Visualization SWAT‐MODFLOW project
builder
Surface‐Subsurface integrated model
EB_ET
Model Integration Framework
ArcSWAT
SWAT project
builder
5. B→13s→ 1m→ Areafrac
B→14s→ 1m → Areafrac
B→22s→ 1m → Areafrac
B→23s→ 1m → Areafrac
B→24s→ 1m → Areafrac
B→31s→ 5m → Areafrac
B→32s→ 5m → Areafrac
A→33s→ 5m → Areafrac
A→34s→ 5m → Areafrac
A→41s→ 5m → Areafrac
A→42s→ 5m → Areafrac
A→43s→ 5m → Areafrac
A→52s→ 5m → Areafrac
A B A
D
E
C
xll,yll
xll,yll
0s 1s 9s
10s
79
19s
70s 78
60s
0m 3m
4m
8m 11m
1m
10m
7m
1w
2w
3w
4w
(b)
SWAT‐MODFLOW
domains indexation
(Lookup table)
SWATmf‐app
(SPELLmap)
SWATmf‐model †
Raster
Time series
• NAM, BAS, DIS,
NWT, LIST, UPW,
LPF, OC, RCH,
WEL, DRN, CHD,
GHB, RES
• Log file
• Update file
handles
• Lookup tables
• Contextual data
• MODFLOW outputs
(LIST, RCH‐S, HDS,
WEL‐S)
• SWAT outputs
SPELLmap
ArcSWAT
SWAT
project
• HDS time series
• HDS daily maps
• EXT time series
• Metrics
MODFLOW project SWAT‐MODFLOW project
SWAT
MODFLOW
Interface
† SWATmf‐model
HRU
Feature class
(a)
arcSWAT HRU polygon domain
SWAT HRU grid domain
MODFLOW cells grid domain
MODFLOW wells domain
A MODEL INTEGRATION FRAMEWORK FOR ASSESSING SURFACE AND SUBSURFACE WATER INTERACTION
Remote sensing grid domain
EB‐ET
6. A MODEL INTEGRATION FRAMEWORK FOR ASSESSING SURFACE AND SUBSURFACE WATER INTERACTION
The Fort Cobb Reservoir Experimental Watershed (FCREW)
USDA‐ARS Grazinglands Research Laboratory, Oklahoma
7. UNCERTAINTY CONSIDERATIONS IN CALIBRATION AND VALIDATION OF HYDROLOGIC AND WATER QUALITY MODELS
SPATIAL DISCRETIZATION & LINKAGE
Land Use
Slope
Soil Class
HRUs ID Grid
Extraction
Wells
Wells to HRUs
SURFACE DOMAIN
(30 x 30 m)
River
Network
FCREW
Lookup
Table
(b)
(c)
MODEL
CONCEPTUALIZATION
LAND USE
LANSAT
(a)
10. ‐8
‐6
‐4
‐2
0
2
4
6
Jan‐11 Mar‐11 May‐11 Jun‐11 Aug‐11 Oct‐11 Dec‐11
ET Deviation (mm d‐1)
HRU‐5 HRU‐804
INTEGRATION OF ENERGY BALANCE EVAPOTRANSPIRATION & SWATmf MODEL
Rainfall 460.5
Avg. RO 75
HRU‐5
EB_ET : 805.2
Model : 430.6
‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐
‐374.6
HRU‐804
EB_ET : 1114.8
Model : 474.1
‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐
‐640.7
2011
Model – EB_ET
11. Interfacing
Routines
Lookup tables
Contextual data
BAS, DIS, NWT,
LIST, UPW, LPF,
OC, RCH, WEL,
DRN, CHD,
GHB, RES
• Setup NAM, OC
• Log file
• Update file
handles
Interfacing
Routines
HRUs percolation
HRUs irrigation
• Updated RCH
• Updated WEL
• Log file
SWAT‐code
daily loop
MODFLOW‐code
Stress period
simulation
BAS, DIS, NWT,
LIST, UPW, LPF,
OC, DRN, CHD,
GHB, RES
Day =first
yes
no
Day =last
MODFLOW‐code
launch
1
SWATmf‐model
*.cio
SWAT data
MODFLOW‐code
close
END
SWAT ‐code
simulation
SWAT‐code
close
1
no
yes
coupled
yes
coupled
yes
2
no
2
no
coupled
no
yes
A MODEL INTEGRATION FRAMEWORK FOR ASSESSING SURFACE AND SUBSURFACE WATER INTERACTION
12. JAN FEB MAR
APR MAY JUN
JUL AUG SEP
OCT NOV DEC
Jul‐18‐11 Jul‐19‐11 Jul‐20‐11
Jul‐22‐11 Jul‐23‐11
(a) (b)
(c)
A MODEL INTEGRATION FRAMEWORK FOR ASSESSING SURFACE AND SUBSURFACE WATER INTERACTION
13. A
A’ B
B’C
C’
CROSS SECTION
Distance
20,00015,00010,0005,0000
480
460
440
420
400
380
360
CROSS SECTION
Distance
25,00020,00015,00010,0005,0000
500
480
460
440
420
400
380
CROSS SECTION
Distance
30,00025,00020,00015,00010,0005,0000
520
500
480
460
440
420
400
380
A
A’ B
B’C
C’
Core2
Eakly
Alfalfa
A-A’
B-B’
C-C’
GWL
GWL
GWL
Marlow Formation
Marlow Formation
Marlow Formation
Rush Spring Aquifer
Rush Spring Aquifer
Rush Spring Aquifer
Core2 Alfalfa
Alfalfa
Eaklyn
Eaklyn
Core2
Jul 17‐11
(a) (b)
(c)
Top MODFLOW boundary
Terrain surface
Simulated
groundwater level
Observed
Simulated
Alfalfa
Core2
Eakly
A MODEL INTEGRATION FRAMEWORK FOR ASSESSING SURFACE AND SUBSURFACE WATER INTERACTION