hydrology
101Andes — This article is about the mountain range in South America. For other uses, see Andes (disambiguation). Andes (Quechua: Anti(s/kuna)) Range …
102Geographic information system — GIS redirects here. For other uses, see GIS (disambiguation). A geographic information system, geographical information science, or geospatial information studies is a system designed to capture, store, manipulate, analyze, manage, and present… …
103Aquifer — Typical aquifer cross section An aquifer is a wet underground layer of water bearing permeable rock or unconsolidated materials (gravel, sand, or silt) from which groundwater can be usefully extracted using a water well. The study of water flow… …
104Lake Chad — For the lake in Antarctica, see Lake Chad (Antarctica). Lake Chad Map of lake and surrounding region Coordinates …
105Groundwater — Shipot, a common source of drinking water in a Ukrainian village. Groundwater is water located beneath the ground surface in soil pore spaces and in the fractures of rock formations. A unit of rock or an unconsolidated deposit is called an… …
106Natural environment — This article is about the environment. For other uses, see Environment (disambiguation). See also: Nature Land management policies have been developed to preserve the natural characteristics of Hopetoun Falls, Australia while allowing ample… …
107Hydrograph — There are two meanings for hydrographs both coming from hydro meaning water, and graph meaning chart. A hydrograph plots the discharge of a river as a function of time. This activity can be in response to episodal event such as a… …
108Ghaghara River — Not to be confused with Ghaggar River. Coordinates: 25°45′11″N 84°39′59″E / 25.75306°N 84.66639°E / 25.75306; 84.66639 …
109Mahananda River — Coordinates: 24°29′24″N 88°18′14″E / 24.49°N 88.30389°E / 24.49; 88.30389 …
110Chambal River — Coordinates: 26°29′20″N 79°15′10″E / 26.48889°N 79.25278°E / 26.48889; 79.25278 …
