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Compendium on methods and tools to evaluate impacts of, and vulnerability and adaptation to, climate
change
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CALVIN (CALifornia Value Integrated Network)
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Description
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This is an economic-engineering optimization model of California’s inter-tied water supply
system, based on the US Army Corps of Engineers HEC-PRM software. Data on surface and ground water
hydrology, infrastructure connectivity and capacities, operating costs, economic values for water
deliveries, and environmental flow constraints are combined with an optimization solver to identify
promising integrated water management strategies coving surface water ground water, water
conservation, water market, water reuse, and desalination water management options.
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Appropriate Use
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This is a screening model for planning and policy purposes.
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Scope
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Models for US California, its sub-regions, and Baja California, Mexico.
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Key Output
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Costs, marginal economic values, and monthly water management decisions are provided for the time
series of hydrologic data provided.
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Key Input
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Surface and ground water inflows (time series), system connectivities and infrastructure capacities,
operating costs, economic values for water deliveries, water loss coefficients, evaporation
rates.
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Ease of Use
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Not easy
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Training Required
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3-4 day course, plus prior modeling experience and familiarity with water management systems.
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Training Available
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Short courses are available from UC Davis, UABC-Ensenada, and several California consultants.
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Computer Requirements
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Computer access
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Documentation
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See http://cee.engr.ucdavis.edu/faculty/lund/CALVIN/.
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Applications
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Statewide and regional water models of US California and Baja California, Mexico. Applications
include: valuing infrastructure expansions, water markets and transfers, conjunctive use, integrated
resource management, climate warming adaptation, adaptation to a repeat of a severe and sustained
paleodrought, Hetch Hetchy dam removal, Colorado River restoration, etc.
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Contacts for Framework, Documentation, Technical Assistance
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See http://cee.engr.ucdavis.edu/faculty/lund/CALVIN/.
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Cost
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Software is free
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References
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Thirteen peer-reviewed publications, a few included below. See http://cee.engr.ucdavis.edu/faculty/lund/CALVIN/
for these and reports and non-peer-reviewed publications.
Draper, A.J., M.W. Jenkins, K.W. Kirby, J.R. Lund and R.E. Howitt. 2003. Economic-Engineering
Optimization for California Water Management. Journal of Water Resources Planning and Management
129(3):155-164.
Jenkins, M.W., J.R. Lund, R.E. Howitt, A.J. Draper, S.M. Msangi, S.K. Tanaka, R.S. Ritzema and G.F.
Marques. 2004. Optimization of California’s Water System: Results and Insights. Journal of
Water Resources Planning and Management 130(4): 271-280.
Medellin-Azuara, J., J.J. Harou, M.A. Olivares, K. Madani-Larijani, J.R. Lund, R.E. Howitt, S.K.
Tanaka, M.W. Jenkins and T. Zhu. In press. Adaptability and Adaptations of California’s Water
Supply System to Dry Climate Warming. Climatic Change.
Medellín-Azuara, J., J.R. Lund and R.E. Howitt. 2007. Water Supply Analysis for Restoring the
Colorado River Delta, Mexico,” Journal of Water Resources Planning and Management 133(5):
462-471.
Null, S. and J.R. Lund. 2006. Re-Assembling Hetch Hetchy: Water Supply Implications of Removing
O'Shaughnessy Dam. Journal of the American Water Resources Association 42(4):395 –
408.
Pulido-Velázquez, M., M.W. Jenkins, and J.R. Lund. 2004. Economic Values for Conjunctive Use
and Water Banking in Southern California. Water Resources Research 40(3).
Tanaka, S.K., T. Zhu, J.R. Lund, R.E. Howitt, M.W. Jenkins, M.A. Pulido, M. Tauber, R.S. Ritzema and
I.C. Ferreira.2006. Climate Warming and Water Management Adaptation for California. Climatic Change
76(3-4):361-387.
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