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David Holland News

02 Dec 2018

GPS, Ice Profiling Sonar Used in Sea Level Variation Study

ASL Environmental Sciences said that Dr. David Holland of New York University, in collaboraon with Dr. Natalya Gomez at McGill University, is leading an invesgaon of sea level variaons in the Disko Bay region of western Greenland.According to a statement from the company with over 40 years of experience in oceanographic, acoustic, remote sensing and ice research products and scientific consulting services, a shore-based system compares the direct arrival of GPS signals to the signals reflected off the sea surface to obtain sea level.The presence of sea ice and icebergs complicate the measurements. A shore-mounted camera provides information…

19 Jun 2016

Amid Melting Arctic Ice, Kerry sees Looming Climate Catastrophe

Standing near Greenland's Jakobshavn glacier, the reputed source of the iceberg that sank the Titanic over a century ago, U.S Secretary of State John Kerry saw evidence of another looming catastrophe. Giant icebergs broken off from the glacier seemed to groan as they drifted behind him, signaling eventual rising oceans that scientists warn will submerge islands and populated coastal region. Briefed by researchers aboard a Royal Danish Navy patrol ship, Kerry appeared stunned by how fast the ice sheets are melting. He was struck by the more dire warnings he was hearing about the same process underway in Antarctica. "This has been a significant eye-opener for me and I have spent 25 years or engaged in this issue…