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Daily Basin Characterization Model (BCM) archive for Humboldt Bay/Eel River This data set includes: 1) A shapefile of the Humboldt Bay Eel River (HBER) 13 sub watersheds, 2) A shape file of the streamflow gages used in calibration, and 3) Daily Basin Characterization Model (BCM) model climate inputs (minimum and maximum air temperature, precipitation, and potential evapotranspiration) and outputs of recharge and runoff for the year 2010 used to develop streamflow estimates at 12 gage locations. Tags: Eel River, Humboldt Bay, Hydrology, USGS Science Data Catalog (SDC), climatologyMeteorologyAtmosphere, All tags... environment, geoscientificInformation, inlandWaters, Fewer tags TGAP Class Transition Rasters This dataset consists of raster geotiff outputs of 30-year average annual land use and land cover transition probabilities for the California Central Valley modeled for the period 2011-2101 across 5 future scenarios. The full methods and results of this research are described in detail in “Integrated modeling of climate, land use, and water availability scenarios and their impacts on managed wetland habitat: A case study from California’s Central Valley” (2021). Land-use and land-cover change for California's Central Valley were modeled using the LUCAS model and five different scenarios were simulated from 2011 to 2101 across the entirety of the valley. The five future scenario projections originated from the four... The impact of climate change uncertainty on California's vegetation and adaptation management The impacts of different emission levels and climate change conditions to landscape-scale natural vegetation could have large repercussions for ecosystem services and environmental health. We forecast the risk-reduction benefits to natural landscapes of lowering business-as-usual greenhouse gas emissions by comparing the extent and spatial patterns of climate exposure to dominant vegetation under current emissions trajectories (Representative Concentration Pathway, RCP8.5) and envisioned Paris Accord target emissions (RCP4.5). This comparison allows us to assess the ecosystem value of reaching targets to keep global temperature warming under 2°C. Using 350,719 km2 of natural lands in California, USA, and the mapped... Categories: Publication; Types: Citation; Tags: Other Water, Southwest CASC, Water, Coasts and Ice State Class Spreadsheet (Area of Land in Each Class per Year, per Scenario) This spreadsheet dataset (.csv file) contains annual land-use and land cover area in square kilometers (km2) by scenario, timestep, WEAP hydrologic zone, and 4 sub-regions within the broader California Central Valley, modeled using the LUCAS ST-Sim for the period 2011-2101 across 5 future scenarios. Four of the scenarios were developed as part of the Central Valley Landscape Conservation Project. The 4 original scenarios include a Bad-Business-As-Usual (BBAU; high water, poor management), California Dreamin’ (DREAM; high water availability, good management), Central Valley Dustbowl (DUST; low water availability, poor management), and Everyone Equally Miserable (EEM; low water availability, good management). These... Categories: Data; Tags: California, California Valley, agriculture, boundaries, climatologyMeteorologyAtmosphere, All tags... environment, farming, geoscientificInformation, land use and land cover, location, planningCadastre, wetlands, Fewer tags Integrated modeling of climate and land change impacts on future dynamic wetland habitat – a case study from California’s Central Valley This dataset consists of raster geotiff and tabular outputs of annual map projections of land use and land cover for the California Central Valley for the period 2011-2101 across 5 future scenarios. Four of the scenarios were developed as part of the Central Valley Landscape Conservation Project. The 4 original scenarios include a Bad-Business-As-Usual (BBAU; high water, poor management), California Dreamin’ (DREAM; high water, good management), Central Valley Dustbowl (DUST; low water, poor management), and Everyone Equally Miserable (EEM; low water, good management). These scenarios represent alternative plausible futures, capturing a range of climate variability, land management activities, and habitat restoration... Categories: Data; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: California, California Valley, Ecology, Land Use Change, Land Use Change, All tags... USGS Science Data Catalog (SDC), Water Resources, Water Resources, agriculture, boundaries, climatologyMeteorologyAtmosphere, environment, farming, geoscientificInformation, land use and land cover, location, planningCadastre, wetlands, Fewer tags Potential Impacts of Prospective Climate Change on Groundwater Recharge in the Western United States Groundwater withdrawals in the western US are a critical component of the water resources strategy for the region. Climate change already may be substantially altering recharge into groundwater systems; however, the quantity and direction (increase or decrease) of changes are relatively unknown as most climate change assessments have focused on surface water systems. We propose to conduct a broad scale literature review followed by a synthesis of available data, analysis and simulations with available downscaled climate scenarios to understand how recharge in the western US might respond to plausible climatic shifts during the rest of the 21st Century. We will produce an estimated range of impacts on groundwater... Categories: Data, Project; Types: Downloadable, GeoTIFF, Map Service, Raster; Tags: All Working Groups, Climate, Completed, Groundwater, Land Resources, All tags... Water Resources, Fewer tags State Class Rasters (Land Use and Land Cover per Year and Scenario) This dataset consists of raster geotiff outputs of annual map projections of land use and land cover for the California Central Valley for the period 2011-2101 across 5 future scenarios. Four of the scenarios were developed as part of the Central Valley Landscape Conservation Project. The 4 original scenarios include a Bad-Business-As-Usual (BBAU; high water availability, poor management), California Dreamin’ (DREAM; high water availability, good management), Central Valley Dustbowl (DUST; low water availability, poor management), and Everyone Equally Miserable (EEM; low water availability, good management). These scenarios represent alternative plausible futures, capturing a range of climate variability, land management... Tags: California, California Valley, agriculture, boundaries, climatologyMeteorologyAtmosphere, All tags... environment, farming, geoscientificInformation, land use and land cover, location, planningCadastre, wetlands, Fewer tags The Basin Characterization Model - A monthly regional water balance software package (BCMv8) data release and model archive for hydrologic California (ver. 3.0, June 2023) (Under Revision) Note: this data release is currently being revised and is temporarily unavailable. This data release accompanies the USGS Techniques and Methods report titled: "The Basin Characterization Model - A Regional Water Balance Software Package", and includes all necessary Basin Characterization Model version 8 (BCMv8) inputs and outputs for water years 1896 to 2022. The BCMv8 was refined from the previous BCMv65 version to improve the accuracy of the water-balance components, particularly the recharge estimate. The new version includes seven new features: (1) monthly vegetation-specific actual evapotranspiration (AET) for 65 vegetation types, (2) spatially distributed calibration coefficients for snow accumulation and... Categories: Data Release - Under Revision; Tags: California, United States, atmospheric and climatic processes, climatologyMeteorologyAtmosphere, environment, All tags... evaporation, geoscientificInformation, hydrology, inlandWaters, mathematical modeling, permeability, precipitation (atmospheric), snow and ice cover, soil moisture, streamflow, surface water (non-marine), transpiration, water budget, water cycle, water resources, watershed management, Fewer tags State Class Transition Spreadsheet (Area of Land Transition into Each Class per Year, per Scenario) This spreadsheet dataset (.csv file) contains annual modeled output of land-use and land-cover change transitions in square kilometers (km2) by specified transition group, scenario, timestep, WEAP hydrologic zone, and 4 sub-regions within the broader California Central Valley, modeled using the LUCAS ST-SIM for the period 2011-2101 across 5 future scenarios. Four of the scenarios were developed as part of the Central Valley Landscape Conservation Project. The 4 original scenarios include a Bad-Business-As-Usual (BBAU; high water availability, poor management), California Dreamin’ (DREAM; high water availability, good management), Central Valley Dustbowl (DUST; low water availability, poor management), and Everyone... Categories: Data; Tags: California, California Valley, Land Use and Land Cover Map, agriculture, boundaries, All tags... climatologyMeteorologyAtmosphere, environment, farming, geoscientificInformation, imageryBaseMapsEarthCover, land use and land cover, land use change, location, planningCadastre, wetlands, Fewer tags River Ecosystems Models and Science (REMS): Advancing Instream Flow Science in the Klamath River Basin and the Nation Categories: Project; Tags: 2008, NWCSC, Other, Other Project, USGS TGAP Flooding Probability Rasters This dataset consists of raster geotiff outputs from a series of modeling simulations for the California Central Valley. The full methods and results of this research are described in detail in “Integrated modeling of climate, land use, and water availability scenarios and their impacts on managed wetland habitat: A case study from California’s Central Valley” (2021). Land-use and land-cover change for California's Central Valley were modeled using the LUCAS model and five different scenarios were simulated from 2011 to 2101 across the entirety of the valley. The five future scenario projections originated from the four scenarios developed as part of the Central Valley Landscape Conservation Project (http://climate.calcommons.org/cvlcp... Basin Characterization Model (BCMv8) monthly recharge and runoff for the Anza-Cahuilla Groundwater Basin, California This dataset provides monthly and average annual long-term estimates (water years 1981-2010) of gridded recharge and runoff from water years 1896-2018 for the Anza-Cahuilla Groundwater Basin in southern California. Gridded data are available in flat ASCII files (*.asc) in the NAD83 California Teale Albers projection. This dataset also includes streamflow calibration basins and stations as shape files (*.shp), and a Basin Characterization Model (BCMv8) model archive. Tags: Anza, Anza Valley, Cahuilla, Cahuilla Valley, California, All tags... Hydrology, USGS Science Data Catalog (SDC), Water Resources, climatologyMeteorologyAtmosphere, environment, geoscientificInformation, inlandWaters, Fewer tags Implications of projected climate change for groundwater recharge in the western United States Existing studies on the impacts of climate change on groundwater recharge are either global or basin/location-specific. The global studies lack the specificity to inform decision making, while the local studies do little to clarify potential changes over large regions (major river basins, states, or groups of states), a scale often important in the development of water policy. An analysis of the potential impact of climate change on groundwater recharge across the western United States (west of 100° longitude) is presented synthesizing existing studies and applying current knowledge of recharge processes and amounts. Eight representative aquifers located across the region were evaluated. For each aquifer published... Categories: Publication; Types: Citation