A meta-analysis of sea-level rise studies shows a majority of assessments mistakenly used geoid models rather than land elevation data.
No audio available for this content. On Aug. 10, the National Geodetic Survey (NGS) released its latest experimental geoid model, xGeoid18. In early 2019, NGS is scheduled to release its next hybrid ...
No audio available for this content. My last column highlighted an ArcGIS web application that incorporates various datasets and data layers to assist surveyors planning vertical control surveys. On ...
Most coastal risk assessments have underestimated current sea levels, meaning tens of millions of people face losing their homes to rising waters earlier than expected ...