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Geographic Information System (GIS) is a system for capturing, storing, analyzing, managing and presenting spatially referenced data. GIS applications allow users to create interactive queries, analyze spatial information, edit data, maps, and present the results of all these operations. The technology can be used for scientific investigations, resource management, environmental impact assessment, urban planning, or cartography. Remote sensing (RS) is the collection of data through imaging sensor technologies, usually on an aircraft or satellite. Applications include monitoring flood areas and effects of climate change.

GIS and RS have very important applications in […]

This proposal deals with water resources management and the role of law in achieving sustainable development and building cooperation between countries sharing transboundary water resources.  As the UN Secretary-General Ban Ki-Moon, has stated at Davos 2010 “the water problem is broad and systemic. Our work to deal with it must be so as well “.This is equally true for water resources management and water services delivery. The single discipline or sector model – using only hydrology, only engineering, only law or only economics to address the world’s water problems – is no longer tenable.  Interdisciplinary approaches […]

Global demand for fresh water is constantly rising as a consequence of population growth and the rise in living standards. Agriculture is not only the world’s largest water user in terms of volume, but is also a relatively low-value, low efficiency, and highly subsidized user. In the years to come the agricultural sector will compete with households and industry for increasingly scarce water resources, and yet is under pressure to produce more food and fibre with less water to satisfy the food needs of a growing world population. The overall future scenario is further aggravated by […]

The mission of UN-Water Decade Programme on Capacity Development (UNW-DPC) is to support and strengthen the activities of the more than two dozen UN organizations and programmes already cooperating within the interagency mechanism known as UN-Water, and in particular to promote capacity development in water related issues. The World Meteorological Organization (WMO) is encouraging research and training in meteorology, operational hydrology and flood management, and assisting in coordinating the international aspects of such research and training. The mission of the Regional Centre on Urban Water Management (RCUWM-Tehran) is to transfer […]

From 1991 to 2007 about 80% of all natural disasters were of meteorological or hydrological origin. In the last decades, between 1960 and 2004, there has been a significant increase in water related extreme events. Floods are the most frequent catastrophic events which people have to face; they are caused most frequently by a coincidence of meteorological and hydrological circumstances but often the flooding of lands has geological or arthritic reasons. As defined, flash floods are a temporary rise of water level in a stream caused by an abrupt increase of discharge or by a temporary decrease of […]

Annually, due to erosion in rivers’ basins which will be intensified during flash floods, a huge amount of sediment is transported with the river flow. The accumulated sediment is quite fertile and sediment transport greatly contributes to agriculture in the downstream area. Although sediment transport is very vital for agriculture, it has caused serious problems for the dam reservoirs. A huge amount of sediment enters dam reservoirs each year and results in the dam storage capacity decrease. It costs too much each year for sedimentation control and sediment removal. Due to the mentioned problems, the Regional […]

The warming of Earth’s climate system is unequivocal, as is now evident from observations of increases in global average air and ocean temperatures, widespread melting of snow and ice, and the rising global mean sea level.

The Intergovernmental Panel on Climate Change (IPCC) has declared in 2008 that water resources are amongst systems and sectors that are particularly vulnerable to climate change and stand to be strongly impacted by it.

The Middle East – North Africa (MENA) Region is one of the most waterless areas on Earth. The […]

In recent years there has been growing evidence that the earth’s climate will become warmer in 21^st century, which raises the essential question: What impacts will global warming have on the environment and human activities? Warming will cause hydrologic changes that will affect freshwater resources. These are among the most significant potential impacts of climate change.

Based on this rationale, The Regional Centre on Urban Water Management (RCUWM – Tehran) in close cooperation with The Regional Centre for Training and Water Studies (RCTWS – Cairo), Regional UNESCO Offices (Cairo & Tehran) and […]

Based on the Framework of Cooperation signed between the UN-Water Decade Programme on Capacity Development (UNW-DPC) and the Food and Agriculture Organization of United Nations (FAO), the two organizations, together with the Ministry of Energy of Iran, Deputy for Water and Wastewater Affairs, organized from 9 to 13 August 2009 the second of a series of 5 regional workshops on “Capacity Development for Farm Management Strategies to Improve Crop-Water productivity using AquaCrop”, that was held at the Olympic Hotel in Tehran, Iran. More than […]