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QFASA Robustness to Assumption Violations: Computer Code QFASA Robustness to Assumption Violations: Computer Code
Quantitative fatty acid signature analysis (QFASA; Iverson et al. 2004) has become a common method of estimating diet composition, especially for marine mammals, but the performance of the method has received limited investigation. Bromaghin et al. (In press) used computer simulation to compare the bias of several QFASA estimators and developed recommendations regarding estimator...
Geophysical and core sample data collected offshore central California, during field activity 2019-651-FA (ver 2.0, August 2023) Geophysical and core sample data collected offshore central California, during field activity 2019-651-FA (ver 2.0, August 2023)
This dataset includes sub-bottom seismic and sediment core data collected during USGS field activity 2019-651-FA. Data were collected aboard the M/V Bold Horizon in October 2019 offshore central California in the vicinity of Morro Bay. Sub-bottom data include multichannel sparker and CHIRP seismic in SEG-Y format with associated navigation tracklines. Core data include photo and computed
Database of physically based distributed model applications for post-fire hydrologic response Database of physically based distributed model applications for post-fire hydrologic response
This data release contains a database reviewing the state of the science for physically based distributed hydrologic model applications for post-fire hydrologic response. The database covers the globe and spans from the years 1998 through the calendar year 2021. The database is part of a larger state of the science review of post-fire hydrologic modeling that examines the scales and...
Neonicotinoid nitroguanidine group insecticide application rates estimated across the western conterminous United States, 2008 to 2014 Neonicotinoid nitroguanidine group insecticide application rates estimated across the western conterminous United States, 2008 to 2014
These data represents annual estimates of neonicotinoid nitroguanidine group insecticide application rates across the western conterminous United States from 2008 to 2014. This product contains seven raster layers (appearing as separate bands in a multi-band raster). Each band represents one year of the data beginning in 2008. Estimates are generated by pairing crop specific application...
Western bumble bee predicted occupancy (1998, 2020) and future projections (2050s), western conterminous United States Western bumble bee predicted occupancy (1998, 2020) and future projections (2050s), western conterminous United States
These data represent occupancy estimates for western bumble bee across the western conterminous United States. This product contains five raster layers (appearing as separate bands in a multi-band raster). The first two bands represent the predicted occupancy of western bumble bee in 1998 and 2020. We modeled western bumble bee occupancy as a function of climate and land cover. The last...
Coastal Multibeam Bathymetry and Backscatter Data Collected in May 2021 from Seven Mile Island, New Jersey Coastal Multibeam Bathymetry and Backscatter Data Collected in May 2021 from Seven Mile Island, New Jersey
Scientists from the U.S. Geological Survey St. Petersburg Coastal and Marine Science Center in St. Petersburg, Florida (USGS - SPCSMC), conducted a geophysical survey nearshore Seven Mile Island, New Jersey, during May 2021. During this study, multibeam bathymetry and acoustic backscatter data were collected aboard the R/V Sallenger. Efforts were supported by the National Fish and...