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Rising Minimum Daily Flows In Northern Eurasian Rivers: A Growing Influence Of Groundwater In The High‐Latitude Hydrologic Cycle, Laurence C. Smith, Tamlin M. Pavelsky, Glen M. Macdonald, Alexander I. Shiklomanov, Richard B. Lammers
Rising Minimum Daily Flows In Northern Eurasian Rivers: A Growing Influence Of Groundwater In The High‐Latitude Hydrologic Cycle, Laurence C. Smith, Tamlin M. Pavelsky, Glen M. Macdonald, Alexander I. Shiklomanov, Richard B. Lammers
Faculty Publications
A first analysis of new daily discharge data for 111 northern rivers from 1936–1999 and 1958–1989 finds an overall pattern of increasing minimum daily flows (or “low flows”) throughout Russia. These increases are generally more abundant than are increases in mean flow and appear to drive much of the overall rise in mean flow observed here and in previous studies. Minimum flow decreases have also occurred but are less abundant. The minimum flow increases are found in summer as well as winter and in nonpermafrost as well as permafrost terrain. No robust spatial contrasts are found between the European Russia, …
Variability In River Temperature, Discharge, And Energy Flux From The Russian Pan‐Arctic Landmass, Richard B. Lammers, Jonathan W. Pundsack, Alexander I. Shiklomanov
Variability In River Temperature, Discharge, And Energy Flux From The Russian Pan‐Arctic Landmass, Richard B. Lammers, Jonathan W. Pundsack, Alexander I. Shiklomanov
Faculty Publications
We introduce a new Arctic river temperature data set covering 20 gauges in 17 unique Arctic Ocean drainage basins in the Russian pan‐Arctic (ART‐Russia). Warm season 10‐day time step data (decades) were collected from Russian archival sources covering a period from 1929 to 2003 with most data falling in the range from the mid‐1930s to the early 1990s. The water temperature data were combined with river discharge data to estimate energy flux for all basins and over the Russian pan‐Arctic as a whole. Tests for trend were carried out for water temperature, river discharge, and energy flux. Spatially coherent significant …