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Located in the northern tropical Pacific Ocean, Majuro is the capital of the Republic of the Marshall Islands. Majuro Atoll consists of a large, narrow landmass and a set of smaller perimeter islands surrounding a lagoon that is over 100 square miles in size. The waters surrounding the Majuro Atoll land areas are relatively shallow with poorly mapped bathymetry. However, the Pacific Ocean on the exterior of the coral atoll and the lagoon within its interior consist of deep bathymetry with steep slopes. The highest elevation of the Majuro Atoll is estimated at only 3-meters above sea level, which is the island community of Laura located on the western part of the atoll. At the eastern edge of the atoll lies the capital...
Categories: Data;
Tags: 3D Elevation Program,
3DEP,
American Society of Photogrammetry and Remote Sensing,
Base Maps,
Bathymetric, All tags...
Bathymetry,
Calalin,
Calalin Channel,
CoNED,
Coastal National Elevation Database,
Coastal Zone,
DEM,
DTM,
Digital Elevation Model,
Digital Terrain Model,
Djarrit,
Earth Cover,
Geography,
Geomorphology,
Hydrologic,
Hydrologic Modeling,
Information Sciences,
Laura,
Lidar Bathymetry,
Light Detection and Ranging,
Majuro,
Majuro,
Majuro Atoll,
Majuro Atoll,
Majuro Atoll,
Majuro Atoll,
Multi-beam Sonar,
National Standards for Spatial Digital Accuracy,
Pacific Islands,
Pacific Ocean,
RMI,
Remote Sensing,
Republic of the Marshall Islands,
Republic of the Marshall Islands,
Republic of the Marshall Islands,
Republic of the Marshall Islands,
Rita,
SDB,
Satellite-derived bathymetry,
SfM,
Single-beam Sonar,
Structure from Motion,
TBDEM,
Topobathy,
Topobathymetric,
Topobathymetric Digital Elevation Model,
Topobathymetric Lidar,
U.S.,
U.S. Geological Survey,
USA,
USGS,
USGS Science Data Catalog (SDC),
United States,
Water Resources,
Western Pacific,
Western Pacific Islands,
lidar, Fewer tags
This data release is associated with the following Scientific Investigations Report: Root, J.C. and Jones, D.K., 2022, Elevation-area-capacity relationships of Lake Powell in 2018 and estimated loss of storage capacity since 1963: U.S. Geological Survey Scientific Investigations Report 2022–5017, 21 p., https://doi.org/10.3133/sir20225017. This dataset provides elevation-area-capacity relationships for Lake Powell derived from a topobathymetric digital elevation model (TBDEM) that was collected in 2017 and 2018. The TBDEM was modified (Jones and Root, 2021, available for download at https://doi.org/10.5066/P9H60YCF) from the originally published version (Poppenga and others, 2020, available for download at https://doi.org/10.5066/P9XX0J1Y)...
Categories: Data;
Tags: 3D Elevation Program,
3DEP,
Acoustic Sonar,
Arizona,
CoNED, All tags...
Coastal National Elevation Database,
Coastal and Marine Hazards Resources Program,
Colorado River,
County of Coconino,
County of Garfield,
County of Kane,
County of San Juan,
DEM,
Earth Resources Observation and Science (EROS) Center,
Elevation-area-capacity,
Escalante River,
Flood Inundation Modeling,
Geography,
Glen Canyon Dam,
Glen Canyon Dam,
Glen Canyon National Recreation Area,
Hydrology,
Inland Bathymetry,
Lake Powell,
Lake Powell,
Light Detection and Ranging,
Remote Sensing,
Reservoir Storage Capacity,
San Juan River,
State of Arizona,
State of Utah,
TBDEM,
Topobathymetric,
U.S.,
U.S. Geological Survey,
US,
USA,
USGS,
USGS Science Data Catalog (SDC),
United States,
Utah,
Utah Water Science Center,
Water Resources,
bathymetry,
digital elevation models,
elevation,
elevation,
geoscientificInformation,
geospatial analysis,
hydrology,
inlandWaters,
lidar,
power generation water use,
recreation,
surface water (non-marine),
surface-water level,
topobathymetric digital elevation model,
topography,
water budget,
water resource management,
water resources,
water supply and demand,
water use,
watershed management, Fewer tags
This dataset provides a modified version of the previously published Lake Powell topobathymetric digital elevation model (TBDEM; Poppenga and others, 2020). The original TBDEM is comprised of four source datasets: (1) a 2017 1-meter multibeam bathymetric survey; (2) a 2018 topographic light detection and ranging (lidar) derived digital elevation model (DEM); (3) a historical topographic DEM that was interpolated from contours maps created in 1947 and 1959; and (4) interpolated topography where gaps existed in the bathymetric and lidar data or where historical data were not suitable (Poppenga and others, 2020). For this data release, two corrections were made to the TBDEM to address errors associated with the historic...
Categories: Data;
Tags: 3D Elevation Program,
3DEP,
Acoustic Sonar,
Arizona,
CoNED, All tags...
Coastal National Elevation Database,
Coastal and Marine Hazards Resources Program,
Colorado River,
County of Coconino,
County of Garfield,
County of Kane,
County of San Juan,
DEM,
Earth Resources Observation and Science (EROS) Center,
Escalante River,
Flood Inundation Modeling,
Glen Canyon Dam,
Glen Canyon National Recreation Area,
Inland Bathymetry,
Lake Powell,
Light Detection and Ranging,
Reservoir Storage Capacity,
San Juan River,
State of Arizona,
State of Utah,
TBDEM,
Topobathymetric,
U.S.,
U.S. Geological Survey,
US,
USA,
USGS,
USGS Science Data Catalog (SDC),
United States,
Utah,
Utah Water Science Center,
Water Resources,
bathymetry,
digital elevation models,
elevation,
elevation,
geoscientificInformation,
geospatial analysis,
inlandWaters,
lidar,
topobathymetric digital elevation model,
topography, Fewer tags
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