Depth in a well or aquifer at which groundwater occurs.
Extreme drought to extreme floods: summary of hydrologic conditions in Georgia, 2009 [ More info] Discusses the nature and extent of extreme hydrologic events, with supporting observations of the water conditions and their effects on human activities.
Field techniques for estimating water fluxes between surface water and ground water [ More info] A guide to measuring the flow of water across the ground water surface water interface, with an overview of available methods and details of specific methods to use.
Ground water climate response network [ More info] Map showing a network of selected ground water wells in the U.S. The water levels in these wells are used to monitor the effects of droughts and other climate variability.
Ground-water data for the Nation [ More info] National Water Information System (NWIS) real-time data on selected ground water sites, ground water level data, site inventory of wells, test holes, drains, springs and excavations and ground water-quality data for the United States.
Ground-water recharge in the arid and semiarid southwestern United States [ More info] A systematic presentation of climatic and hydrogeologic framework of the area, regional analysis of ground-water recharge, and an overview of 8 site-specific case studies.
Groundwater Resources of Ribeira Faja Basin, Island of Sao Nicolau, Cape Verde, West Africa [ More info] Lower precipitation and recharge, with deeper groundwater levels, suggest this basin will be less susceptible to contamination than others nearby, but may be susceptible to saltwater intrusion brought on by well pumping.
Groundwater Resources of Ribeira Paul Basin, Island of Santo Antao, Cape Verde, West Africa [ More info]
Groundwater resources of Mosteiros basin, island of Fogo, Cape Verde, west Africa [ More info] Shallow groundwater has good quality, but salinity measured in wells suggests the thin lens of freshwater under the coastal plain will be vulnerable to saltwater intrusion as a consequence of pumping.
Hydrologic conditions in Georgia, 2010 [ More info] Georgia has recently seen a lot of extreme weather events triggering widespread flooding. This summary of streamflow and discharge from selected locations shows graphically the conditions during 2010.
Hydrology, phenology and the USA National Phenology Network [ More info] Explains how hydrologic factors interact with phenology
Alphabetical Index of Topics
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