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Found 631 dataset(s) matching "visual estimate".
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To determine the patterns and thresholds of tissue regeneration in Orbicella annularis coral colonies from parrotfish predation, we monitored tissue regeneration of fresh parrotfish bite scars on...
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Data provided in this dataset are benthic habitat imagery that result from benthic photo-quadrat surveys conducted along transects at stratified random sites surveyed across the Main Hawaiian...
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Physical parameters and coral response data were used to assess coral reef resilience off the Eastern Pacific coast after the 2014-2015 El Niño Southern Oscillation (ENSO) events. Data contained...
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These data are mark-recapture data procured from conducting nocturnal visual surveys and live lure based trapping for brown treesnakes in the 5 hectare enclosure called USGS Closed Population or...
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<DIV STYLE="text-align:Left;"><DIV><DIV><P STYLE="margin:0 0 11 0;"><SPAN>This layer serves as the authoritative geographic data source for all school district area boundaries in California....
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A validation assessment of Land Cover Monitoring, Assessment, and Projection Collection 1.2 annual land cover products (1985–2018) for the Conterminous United States was conducted with an...
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A validation assessment of Land Cover Monitoring, Assessment, and Projection Collection 1.0 annual land cover products (2000–2019) for Hawaii was conducted with an independently collected...
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The aim of this study was to find an explanation for the remarkable morphology of the central part of the S254-S258 star forming complex. The authors performed a deep Chandra X-ray observation of...
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A validation assessment of Land Cover Monitoring, Assessment, and Projection Collection 1.3 annual land cover products (1985–2021) for the Conterminous United States was conducted with an...
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In the construction of an X-ray-selected sample of galaxy clusters for cosmological studies, the authors have assembled a sample of 495 X-ray sources which were found to show extended X-ray...
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This data release contains lake and reservoir water surface temperature summary statistics calculated from Landsat 8 Analysis Ready Dataset (ARD) images available within the Conterminous United...
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The data described here are Structure from Motion (SfM) benthic habitat imagery from benthic transect surveys conducted at stratified random sites by the Pacific Islands Fisheries Science Center...
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This dataset describes the imagery collected in 2022 of Aua Reef, American Samoa by the Ecosystem Sciences Division (ESD) of NOAA, funded by the Coral Reef Conservation Program (CRCP), to study...
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The benthic percent cover data described in this record is a result of a synthesizing effort led by the Ecosystem Sciences Division (ESD) to integrate benthic cover data collected during the...
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The vertical land change activity focuses on the detection, analysis, and explanation of topographic change. These detection techniques include both quantitative methods, for example, using...
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This dataset consists of over 800 field observations of ground failure (landslides, lateral spreading, and liquefaction) and other damage triggered by the 2019-2020 Puerto Rico earthquake...
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During 13-18 May, 2019, we censused red-footed boobies (Sula sula) at Kīlauea Point National Wildlife Refuge (KPNWR), Kauaʻi. To evaluate ground-based visual counts and assess variability among...
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During 13-18 May, 2019, we censused Red-footed Boobies (Sula sula) at Kīlauea Point National Wildlife Refuge (KPNWR), Kauaʻi. To evaluate ground-based visual counts and assess variability among...
