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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 —... -
Forest Protection Practices concerning Phosphorous
To help determine where watershed conservation can help secure water for cities, we estimated the effectiveness of five common conservation strategies: land protection,... -
Riparian Buffers on Agricultural land concerning Sedimentation
To help determine where watershed conservation can help secure water for cities, we estimated the effectiveness of five common conservation strategies: land protection,... -
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.... -
Withdrawal to available ratio for surface sources (WTA)
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... -
Grassland Reforestation Practices concerning Phosphorous
To help determine where watershed conservation can help secure water for cities, we estimated the effectiveness of five common conservation strategies: land protection,... -
Riparian Buffers on Agricultural land concerning Phosphorous
To help determine where watershed conservation can help secure water for cities, we estimated the effectiveness of five common conservation strategies: land protection,... -
Percentage of Grassland 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.... -
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... -
Percentage of Cropland covering the Surface 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.... -
Presence of water in 773 water points in Nicaragua (1980-2016)
This layer identifies if any water was available at the water point on the day of the visit (recognizing that it may be a limited flow) in Nicaragua. Data was gathered from the... -
Water Poverty Index (2002)
This layer presents the Water Poverty Index (WPI) in 141 countries around the world. The WPI is a water management tool that expresses an interdisciplinary measure which links... -
Mean annual groundwater recharge depth in transboundary aquifers
Mean annual groundwater recharge depth is calculating by dividing the long-term mean groundwater recharge, including man-made components (returnflows, induced recharge,... -
SDG Indicator 6.a.1: Amount of water- and sanitation-related official develop...
Defined as the amount and percentage of ODA that is included in a government coordinated spending plan, whether on treasury or on budget. ODA flows are official financing with... -
Number of sources from which cities harvest water
This layer presents the number of water sources (surface and non-surface) from which cities around the world harvest water. On average, cities retrieve water from 4 different... -
Presence of water in 397 water points in Mexico (2013-2016)
This layer identifies if any water was available at the water point on the day of the visit (recognizing that it may be a limited flow) in Mexico. Data was gathered from the... -
Presence of water in 457 water points in Honduras (2013-2016)
This layer identifies if any water was available at the water point on the day of the visit (recognizing that it may be a limited flow) in Honduras. Data was gathered from the... -
SDG Indicator 6.4.2: Level of water stress (2012)
Ratio between total freshwater withdrawn by all economic activities (based on ISIC categories) and total renewable freshwater resources, after taking into account environmental... -
Vulnerability to pollution in transboundary aquifers
Groundwater vulnerability is a natural property of a groundwater system that depends on the sensitivity of the system to human impacts. Data on this complex indicator are very... -
Types of UNESCO City Networks in the Megacities
A city with a population in excess of 10 million is defined by the UN as a Megacity. The International Hydrological Programme of UNESCO has established the Megacities Alliance...
