How is bathymetric data collected? What are the challenges of collecting bathymetric data?

GEDI's Level 2A Geolocated Elevation and Height Metrics Product (GEDI02_A) is primarily composed of 100 Relative Height (RH) metrics, which collectively ... THIS NOTICE WILL BE REMOVED WHEN MAINTENANCE IS COMPLETED. NOTE:The Maine GeoLibrary relies on our LiDAR Project Federal Partners to host point cloud data. **All data is supplied from Bureau of Reclamation Records. Last updated: 01-APR-2025. Please contact the Water Operations Control Center via e-mail at ... Elevation data is a digital representation of spatially-referenced vertical positions above or below a datum surface. The data is most often used in grid ( ... Elevation Source Data (3DEP) - Lidar, IfSAR. Subcategories. Select All. DEM ... Elevation - Topobathy DEM. Show. Very Limited Coverage over the US. Elevation ... May 10, 2004 ... With an ever growing demand for digital elevation data by Federal, state, and local governments, the National Digital Elevation Program (NDEP) ... Topics: Air Quality. The data on this page are elevation files in GeoTIFF format, and are compatible with AERMAP version 09040 or newer. All files are 1 arc- ... Sep 26, 2021 ... One thing you could maybe use your Apple Watch for, if it's capable of doing so, is record your position (lat & long) for mapping elevations on ... A fixed base elevation at a tide station to which all water level measurements are referred. ... The data can be displayed in either feet or meters. Click ... Aug 7, 2023 ... ... elevation has averaged around 4200 feet and covered an area of ... Most recent data within water-surface elevations show a downward trend.