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Location Folder Show Tree ROOT _ScienceBase Catalog 3DSC Alkalic Igneous Centers of the Great Plains and Rocky Mountains: Data in Support of Critical Mineral Resource Studies AMMonitor: Remote wildlife monitoring for adaptive management Amphibian Research and Monitoring Initiative An Open Repository of Earthquake-Triggered Ground-Failure Inventories More... Filters Date Types (for Date Range) Types Map Service (1) OGC WFS Layer (1) OGC WMS Layer (1) OGC WMS Service (1) Contacts Trenton (Contractor) D Benedict Donald Martin U.S. Geological Survey U.S. Geological Survey - ScienceBase Richard Niswonger More... Categories Data (1) Tags (with Type=Harvest Set ) usgs science data catalog (sdc) (2) View Results as: JSON ATOM CSV Browse Folder

Exotic annual grass (EAG) phenology estimates in the western U.S. rangelands based on 30-m HLS NDVI: 2017 - 2021 Note: This data release is currently under revision and is temporarily unavailable. Phenological dynamics of terrestrial ecosystems reflect the response of the Earth's vegetation canopy to changes in climate and hydrology and are thus important to monitor operationally. The Exotic Annual Grass (EAG) phenology in the western U.S. rangeland based on 30m near seamless Harmonized Landsat and Sentinel-2 (HLS) Normalized Difference Vegetation Index (NDVI) weekly composites between 2016 and 2021 (Dahal et al., 2022) were processed using these 3 methods: (1) NDVI threshold-based method, (2) manual phenological metrics, and (3) modeling and mapping. The EAG phenology model produced eight metrics identifying the sustainable... Tags: Amplitude (AMP), Arizona, California, Colorado, Drought, All tags... Duration (DUR), End of Season NDVI (EOSN), End of Season Time (EOST), Great Basin, Harmonized Landsat Sentinel, Idaho, Kansas, Land Use Change, Maximum NDVI (MAXN), Montana, Nebraska, Nevada, New Mexico, Normalized Difference Vegetation Index (NDVI), North Dakota, Oklahoma, Oregon, Phenology, Remote Sensing, South Dakota, Start of Season NDVI (SOSN), Start of Season Time (SOST), Texas, Time Integrated NDVI (TIN), Time of Maximum (MAXT), USGS Science Data Catalog (SDC), United States, Utah, Vegetation Phenology, Washington, Western United States, Wyoming, Fewer tags Irrigation water use reanalysis for the 2000-20 period by HUC12, month, and year for the conterminous United States This data release provides a monthly irrigation water use reanalysis for the period 2000-20 for all USGS Watershed Boundary Dataset of Subwatersheds (HUC12) in the conterminous United States (CONUS). Results include reference evapotranspiration (ETo), actual evapotranspiration (ETa), irrigated areas, consumptive use, and effective precipitation for each HUC12. ETo and ETa were estimated using the operational Simplified Surface Energy Balance (SSEBop, Senay and others, 2013; Senay and others, 2020) model executed in the OpenET (Melton and others, 2021) web-based application implemented in Google Earth Engine. Results provided by OpenET/SSEBop were summarized to hydrologic response units (HRUs) in the National Hydrologic... Categories: Data; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Conterminous United States (CONUS), Geography, Hydrology, USGS Science Data Catalog (SDC), Water Resources, All tags... evapotranspiration, irrigation, landuse, water use, Fewer tags