Scientific Investigations Report 2006–5274

Scientific Investigations Report 2006–5274

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Table 1. Modules used in the precipitation-runoff model.

[MRU, Modeling Response Unit; PRMS, Precipitation-Runoff Modeling System; YRBS, Yakima River Basin study (Mastin and Vaccaro, 2002a and 2002b); MRBS, Methow River Basin study (Ely and Risley, 2001; Ely, 2003)]

Name of module used Module function Version description
basin_prms.f Declares basin and MRU physical parameters. Standard PRMS
soltab_prms.f Computes potential solar radiation. Standard PRMS
obs_sno.f Reads measured data. YRBS
divrt_apply_prms.f1 Reads daily values of diversions, returns, and irrigation applications. YRBS
temp_2sta_prms_dist2.f Distributes temperatures to MRUs. YRBS
precip_prms_dist2.f Determines precipitation type and distributes precipitation to MRUs. YRBS
ccsolrad_prms.f Computes daily solar radiation from temperature/cloud-cover relation. Standard PRMS
potet_jh_prms.f Determines whether transpiration is occurring and computes potential evapotranspiration using the Jensen-Haise (1963) approach. Standard PRMS
intcp_prms_apply.f Computes amount of intercepted precipitation and evaporation from interception. YRBS
snowcomp_prms_gmelt.f Computes snowpack accumulation and depletion using an energy-budget approach. YRBS
srunoff_smidx_prms_glacr_apply.f Computes surface runoff and infiltration. YRBS
smbal_prms_wtrgmelt.f Computes soil-moisture mass balance. Computes infiltration, actual evapotranspiration, and seepage to subsurface and ground-water reservoirs. YRBS
ssflow_prms.f Computes sum of inflows to subsurface reservoirs and calculates outflow to ground-water reservoirs and streams. Standard PRMS
gwflow_loss_min_darcy.f Computes sum of inflows to ground-water reservoirs and outflow to streams and ground-water sinks. MRBS
musroute_prms_divretrn.f Routes water between stream nodes. YRBS

1Functionality not used in this study.

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