Filters: Tags: Siskiyou County (X) > Types: Map Service (X)

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Sediment mobility and river corridor assessment for a 140-km segment of the mainstem Klamath River below Iron Gate Dam, CA - vegetation mapping The USGS, in cooperation with the U.S. Fish and Wildlife Service and the National Fish and Wildlife Foundation, compiled a map of geomorphic and vegetation features along a 140-km segment of the main stem Klamath River below Iron Gate Dam, CA. Flood disturbance within the study reach is produced by the combined effect of natural flows and reservoir releases. The physical response of the Klamath River to flood disturbance is strongly dependent upon sediment storage in bars and floodplains. The map provides a summary of channel and riparian vegetation classes that were used to estimate vegetation change over time due to sediment flow and storage in bars and floodplains. Study results will be useful for interpreting... Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: California, Ecology, Ecology, Environment, GIS, All tags... Geomorphology, Klamath River, Remote Sensing, Remote Sensing, Siskiyou County, USGS Science Data Catalog (SDC), Vegetation Mapping, Fewer tags California volcano locations, threat rank and hazard zones The California volcano locations, threat rank and hazard zones data release contains two shapefiles for download or use as a web map service. The California Volcanic Center Locations shapefile was created to provide a generalized location of volcano hazard sources. The California Volcano Hazard Zones shapefile was created from previously published hazard zone reports. Specific details about each file can be found in the metadata included with each file and the read-me document for this data release. Together, these files were used to define California Volcano Hazards for the GIS analysis that supports conclusions in the California's exposure to volcano hazards report. Geologists produce hazard zone maps to convey... Categories: Data; Types: ArcGIS REST Map Service, ArcGIS Service Definition, Downloadable, Map Service; Tags: Alpine County, Ash, Ballistic, Butte County, California, All tags... Clear Lake volcanic field, Fresno County, Imperial County, Inyo County, Klamath National Forest, Lahar, Lake County, Lassen County, Lassen National Forest, Lassen Peak, Lassen Volcanic Center, Lassen Volcanic National Park, Lava, Lava Beds National Monument, Lava dome, Lava flow, Long Valley volcanic region, Madera County, Mariposa County, Medicine Lake volcano, Modoc County, Modoc National Forest, Mono County, Mount Shasta, Plumas County, Plumas National Forest, Pyroclastic flow, Salton Buttes, Shasta County, Shasta-Trinity National Forest, Siskiyou County, Tehama County, Tephra, Trinity County, Tuolumne County, USGS Science Data Catalog (SDC), Ubehebe Craters, Vent, Volcanic flood, flowage-hazard zones, hazards, tephra-hazard zones, volcanic activity, volcanic eruption prediction, volcanic eruptions, volcanic rocks, volcanic vents, volcano hazards, volcanology, Fewer tags Electron microprobe analyses of hydrothermal muscovite crystals from gold-bearing quartz veins of the Klamath Mountains, California, 2014 and 2019 (ver. 1.1, June 2022) This data release provides geochemical results of in situ electron probe microanalyses of hydrothermal muscovite associated with gold-bearing quartz veins from the Klamath Mountains, California. Samples were collected from eight different mines in the summer of 2013 and electron probe microanalyses were carried out May 27, 2014 and November 12, 2019. Categories: Data; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: California, EPMA, Economic Geology, GGGSC, Geochemistry, All tags... Geology, Geophysics, and Geochemistry Science Center, Klamath Mountains, MRP, Mineral Resources Program, Shasta County, Siskiyou County, USGS Science Data Catalog (SDC), chemical analysis, electron microprobe, electron probe microanalysis, geochemistry, geoscientificInformation, hydrothermal processes, mineral resources, mineralogy, Fewer tags