Abstracts
SEARCH Open Science Meeting
October 27, 2003
Seattle, Washington, USA
R-ArcticNet v3.0 - A New and Improved River Discharge Database to Meet the Needs of High-Latitude Geoscientific Research
Richard B. Lammers1, Alexander Shiklomanov2, Charles Vorosmarty3
1Water Systems Analysis Group, University of New Hampshire, Morse Hall 211, Durham, NH, 03824, USA, Phone (603) 862-4699, Fax (603) 862-0587, Richard.Lammers@unh.edu
2Water Systems Analysis Group, University of New Hampshire, Morse Hall, Durham, NH, USA, Phone 603-862-4387, Fax 603-862-0188, sasha@eos.sr.unh.edu
3Water Systems Analysis Group, University of New Hampshire, Morse Hall - 39 College Road, Durham, NH, USA, Phone 603-862-0850, Fax 603-862-0587, charles.vorosmarty@unh.edu
We report on a significant update to the R-ArcticNet database representing river discharge covering the entire pan-Arctic region. R-ArcticNET v2 was released in 1999 with over 3500 gauges and 90 thousand station years covering monthly observations up to the late 1980s (Russia) and the early 1990s (Canada and USA). We are now in the process of finalizing R-ArcticNET v3. This database has more than 5000 stations and 128 thousand station years of data. Time series were expanded for many gauges up to 1999.
The database also documents the huge rise and subsequent decline of hydrological monitoring activities throughout the entire pan-Arctic during the second half of the 20th Century. This observed decline in monitoring of the hydrological cycle parallels in many ways the overall downward trends in river monitoring around the globe. In many cases, the closure of gauges represents a large reduction in total monitored land area.
Abstract Categories: Changes on Land
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