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A Climate Driven Model of the Water Resources of The Sacramento and San Joaquin Hydrologic Regions: Model Structure and Data Inputs
Brian Joyce, Stockholm Environment Institute
[email protected](530) 220-2111
• Supported by California Department of Water Resources
• In Collaboration with:
– David Yates
• National Center for Atmospheric Research
– David Groves
• RAND Corporation
– Andy Draper
• Montgomery-Watson-Harza
Sacramento/San Joaquin Valley WEAP Model
San Joaquin Hydrologic Region
Sacramento RiverHydrologic Region
Trinity River
Bay-Delta
Westside Tulare Basin
M&I/ Environ. Demand
Rivers and TributariesInter-Basin Transfer
Interactive Groundwater
Irrigated Agriculture
ReservoirCanals and Diversions
Instream Flow Requirement
M&I/ Environ. Demand
Rivers and TributariesInter-Basin Transfer
Interactive Groundwater
Irrigated Agriculture
ReservoirCanals and Diversions
Instream Flow Requirement
Pit
Cow
BattleCotton-Wood
Shasta
Trinity
Clear
Oroville
Upper Feather
Almanor
Yo
lo
Byp
ass
Te
ha
ma
-Colu
sa
Chico
ButteS
utte
r Byp
ass
Thomes
Black Butte
Gle
n-C
olu
sa
Cache
Putah
BullardsBar
Yuba
Bear
Folsom
Coon
South Fk American
North Fk American
Sacramento Weir
Feather
Upper Pit
McCloud
1
Sacram
ento
DeltaOutflow
Stanislaus
San Luis
San Joaquin
Fresno Slough/ James Bypass(prescribed)
California A
queductD
elta Mendota C
anal
Berryessa
Camp Far West
Cosumnes
Mokelumne
Calaveras
Tuolumne
Merced
San Joaquin
Chowchilla Fresno
Friant -K
ern
Madera
Eastside
Bypass
Millerton
McClure
Don Pedro
New Melones
New Hogan
Pardee
Pit
Cow
BattleCotton-Wood
Shasta
Trinity
Clear
Oroville
Upper Feather
Almanor
Yo
lo
Byp
ass
Te
ha
ma
-Colu
sa
Chico
ButteS
utte
r Byp
ass
Thomes
Black Butte
Gle
n-C
olu
sa
Cache
Putah
BullardsBar
Yuba
Bear
Folsom
Coon
South Fk American
North Fk American
Sacramento Weir
Feather
Upper Pit
McCloud
1
Sacram
ento
DeltaOutflow
Stanislaus
San Luis
San Joaquin
Fresno Slough/ James Bypass(prescribed)
California A
queductD
elta Mendota C
anal
Berryessa
Camp Far West
Cosumnes
Mokelumne
Calaveras
Tuolumne
Merced
San Joaquin
Chowchilla Fresno
Friant -K
ern
Madera
Eastside
Bypass
Millerton
McClure
Don Pedro
New Melones
New Hogan
Pardee
M&I/ Environ. Demand
Rivers and TributariesInter-Basin Transfer
Interactive Groundwater
Irrigated Agriculture
ReservoirCanals and Diversions
Instream Flow Requirement
M&I/ Environ. Demand
Rivers and TributariesInter-Basin Transfer
Interactive Groundwater
Irrigated Agriculture
ReservoirCanals and Diversions
Instream Flow Requirement
Pit
Cow
BattleCotton-Wood
Shasta
Trinity
Clear
Oroville
Upper Feather
Almanor
Yo
lo
Byp
ass
Te
ha
ma
-Colu
sa
Chico
Butte
Su
tter B
ypass
Thomes
Black Butte
Gle
n-C
olu
sa
Cache
Putah
BullardsBar
Yuba
Bear
Folsom
Coon
South Fk American
North Fk American
Sacramento Weir
Feather
Upper Pit
McCloud
1
Sacram
ento
DeltaOutflow
Stanislaus
San Luis
San Joaquin
Fresno Slough/ James Bypass(prescribed)
California A
queductD
elta Mendota C
anal
Berryessa
Camp Far West
Cosumnes
Mokelumne
Calaveras
Tuolumne
Merced
San Joaquin
Chowchilla Fresno
Friant-K
ern
Madera
Eastside
Bypass
Millerton
McClure
Don Pedro
New Melones
New Hogan
Pardee
Pit
Cow
BattleCotton-Wood
Shasta
Trinity
Clear
Oroville
Upper Feather
Almanor
Yo
lo
Byp
ass
Te
ha
ma
-Colu
sa
Chico
Butte
Su
tter B
ypass
Thomes
Black Butte
Gle
n-C
olu
sa
Cache
Putah
BullardsBar
Yuba
Bear
Folsom
Coon
South Fk American
North Fk American
Sacramento Weir
Feather
Upper Pit
McCloud
1
Sacram
ento
DeltaOutflow
Stanislaus
San Luis
San Joaquin
Fresno Slough/ James Bypass(prescribed)
California A
queductD
elta Mendota C
anal
Berryessa
Camp Far West
Cosumnes
Mokelumne
Calaveras
Tuolumne
Merced
San Joaquin
Chowchilla Fresno
Friant-K
ern
Madera
Eastside
Bypass
Millerton
McClure
Don Pedro
New Melones
New Hogan
Pardee
Level of Analysis• Planning Areas (PA’s)
– 11 PA’s in Sacramento River Hydrologic Region
• 4 “Rim” PA’s
• 7 “Valley” PA’s
– 10 PA’s in San Joaquin Hydrologic Region
• 4 “Rim” PA’s
• 6 “Valley” PA’s
– Also include 1 “Valley” PA in the Tulare Lake Hydrologic Region 702
508
501
504
502
506
505
507
503
509511
510
604
610609
603602
607
608
606605
601
605
Watersheds
• Sacramento Hydrologic Region– 4 “Rim” Planning Areas
• 15 Watersheds
• San Joaquin Hydrologic Region– 4 “Rim” Planning Areas
• 11 Watersheds
• North Coast Hydrologic Region– 1 “Rim” Detailed Analysis Unit
• 1 Watershed
Pitt River
Feather River
Yuba RiverBear RiverAmerican RiverCosumnes River
Merced River
Mokelumne RiverStanislaus RiverTuolumne River
Trinity River
Stony Creek
Cache Creek
Putah Creek
San Joaquin River
Thomes/Elder Creek
Pitt River
Feather River
Yuba RiverBear RiverAmerican RiverCosumnes River
Merced River
Mokelumne RiverStanislaus RiverTuolumne River
Trinity River
Stony Creek
Cache Creek
Putah Creek
San Joaquin River
Thomes/Elder Creek
Pitt River
Feather River
Yuba RiverBear RiverAmerican RiverCosumnes River
Merced River
Mokelumne RiverStanislaus RiverTuolumne River
Trinity River
Stony Creek
Cache Creek
Putah Creek
San Joaquin River
Thomes/Elder Creek
500 m Elevation Bands
Two-Bucket Approach
Land Use Classification
• Hydrology module is applied for each land class within a catchment object
• Estimates streamflow, as well as snow accumulation/melt
Irrigation and Refuge Demands
• Sacramento River Hydrologic Region– 7 “Valley” PA’s
• 9 Agricultural Demand Areas
• 8 Managed Wetlands
• San Joaquin Hydrologic Region– 6 “Valley” PA’s
• 9 Agricultural Demand Areas
• 2 Managed Wetlands
• Tulare Lake Hydrologic Region– 1 “Valley” PA
• 1 Agricultural Demand Area
• 0 Managed Wetlands
Land Use Based Demands
Irrigated Areas
• Hydrology module estimates irrigation demands for 20 crop types
– Input requirements: Crop schedule, Kc, Rooting depth, Soils data
• Also, estimates water demand for Outdoor Urban
– Input requirements: same as crops
Managed Wetlands
• Wetlands use same catchment object and hydrology routine as irrigated areas.
• Also includes “ponding” and “flow through” requirements
Urban Indoor Demands
Urban Indoor
• Single Family and Multi Family demands estimated as function of water use per household
• Industrial and Commercial demands estimated as a function of water use per employee
System Operations
• Reservoir releases and water deliveries “operated” using
– Storage Priorities
– Storage Buffers
– Supply Preferences
– Transmission Constraints
Priority = 17
Priority = 15Preference = 3
Preference = 1
Preference = 1
Limit = 50% Demand
Limit = 40% DemandLimit = 100% Demand
System Operations
• In-Stream Flow Requirements (IFR) are treated as demand objects. Assigned priorities relative to agricultural and urban water demands.
• 21 IFR’s in model. Includes AFRP, Delta Outflow, and others
System Operations
Sacramento-San Joaquin Delta
• Water quality considerations:
– Use GMOD for Delta salinity standards
– Use Kimmerer-Monismith to estimate required net Delta outflow to maintain X2
• Delta exports
– Constrained by VAMP, E/I Ratio
– Target San Luis filling Sep-Mar