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Agricultural Water Stress in Transboundary River Basins
The Agricultural Water Stress indicator identifies agricultural water stress of agricultural land under irrigation. It is calculated as the mean annual irrigation water... -
Percentage of Forest covering Source Watersheds
The use of the land covering the watersheds have an enormous impact in the cost and treatment of the water, as well as for the availability and quality of the water supply.... -
Global interannual variability
Inter-annual variability measures the variation in water supply between years. -
Phosphorus Yield (kg/km2/year)
In cases were the watersheds are exploited for intensive agricultural purposes, as consequence the fertilizer concentration increase. Thus, the fertilizer filters into the water... -
Water abstraction in Cubic Meters per capita per year (2008-2012)
This layer presents water abstraction in Cubic Meters per capita per year for 32 countries (23 in Europe and North America, 5 in Asia and the Pacific, 4 in Latin America and the... -
Volume of surface water leaving countries in 2014
This layer represents the average volume of surface water that left the country to other countries in 2014. It refers to water leaving through transboundary flow (rivers,... -
Parties to the 1999 Protocol on Water and Health to the 1992 Convention on th...
The UNECE-WHO/Europe Protocol on Water and Health aims to protect human health and well being by better water management and by preventing, controlling and reducing... -
Percentage of Other Lands covering Source Watersheds
The use of the land covering the watersheds have an enormous impact in the cost and treatment of the water, as well as for the availability and quality of the water supply.... -
Annual Stress Category
Water withdrawals or water abstractions, is the freshwater taken from ground or surface water sources and conveyed to a place of use. These, normally, are sectorial distributed... -
Proportion of Municipal Water coming from Surface Sources
Today, cities are looking farther beyond their limits for clean water. Many cities rely partially or totally on surface water sources. The study of the Natural Conservancy focus... -
Global upstream protected land
Upstream protected land measures the percentage of total water supply that originates from protected ecosystems. Modified land use can affect the health of freshwater ecosystems... -
Cities' average distance to surface diversion sources
The average distance to surface diversion sources is expressed in kilometers. Today, cities are looking farther beyond their limits for clean water. On average, cities retrieve... -
Sediment Yield by Category
The land use greatly influence water quality on the one supplied by watersheds. Land use changes often increase significantly the sedimentation and nutrient pollution. Human... -
Rivers and streams in the Dinaric Alps region
This layer shows rivers and streams in the Dinaric Alps region. Data were collected in the framework of the DIKTAS project. For more information, visit the DIKTAS project... -
Human Water Stress in Transboundary River Basins
The Human Water Stress indicator deals with the quantity of water available per person per year relative to the internal and upstream area water supplies, on the premise that... -
Transboundary River Basins around the World
The world’s transboundary river basins span 151 countries, include more than 2.8 billion people (around 42 % of the world’s population), cover 62 million km2 (42 % of the total... -
Grassland Reforestation Practices concerning Sediments
To help determine where watershed conservation can help secure water for cities, we estimated the effectiveness of five common conservation strategies: land protection,... -
Environmental Water Stress in Transboundary River Basins
The Environmental Water Stress in Transboundary River Basins indicator focuses on the water quantity aspect and considers hydrological alterations from monthly dynamics of the... -
Sediment Yield (tonnes/km2/year)
The land use greatly influence water quality on the one supplied by watersheds. Land use changes often increase significantly the sedimentation and nutrient pollution. Human... -
Urban Source Watersheds
This map shows the source watersheds of 534 cities. "Although the 100 largest cities in the world occupy less than 1 percent of our planet’s land area, their source watersheds —...