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Environmental isotopes in the hydrological cycle: Principles and applications

The changes in the isotopic composition of water in the water cycle occur primarily during the passage of water into and through the atmosphere. The specific isotopic signatures engendered by these processes are then imprinted on the terrestrial water bodies, forming the basis for the many applications of isotopes in hydrological studies. A detailed understanding of the complex and changing processes involved is thus a necessary pre-condition for the use of this tool in studies of present and past climatic systems.

Outcome of the international experts’ meeting on the Right to Water

The main purpose of the meeting (Paris, 7–8 July 2009) was to bring together international experts to discuss and develop recommendations on the right to water and access to sanitation, which are presented in a booklet.

Water footprint calculation standards

In the field of carbon footprints we have seen how detrimental the absence of shared definitions and calculation methods can be. One common language is crucial, otherwise it is difficult to share information about actual footprints and reduction targets.

Pieter van der Zaag explains why irrigated areas expand only very slowly

In his interesting Viewpoint article in Water Alternatives, Bruce Lankford suggests that an African Green Revolution cannot come about without irrigation. But he does not convincingly explain why irrigated areas expand only very slowly.

Saltwater and freshwater interactions in coastal aquifers

The February 2010 issue of Hydrogeology Journal (Vol 18, No 1) focuses on «Saltwater and freshwater interactions in coastal aquifers».

Climate Change and Transboundary Waters

Global climate change will increase the risk of conflict over shared international freshwater resources. Treaties and other cross-border agreements can help reduce those risks, but existing agreements are inadequate for dealing with the impacts of climate change.

Managing the Water Buffer for Development and Climate Change Adaptation

This book explores how to maximize the use of groundwater and rainwater for development and climate change adaptation in an approach called 3R. 3R stands for Recharge, Retention and Reuse.

Groundwater in international law – Compilation of treaties and other legal instruments

Groundwater is of high social, economic, environmental and strategic importance. It represents about 97% of the freshwater resources available on earth, excluding the water locked in the polar ice. Aquifers, among them numerous Transboundary ones, are coming under growing pressure from over-abstraction and pollution, which seriously threaten their sustainability. Up to now international law has paid much less ttention to ground- than to surface water. Slowly however, a body of rules dealing with this vital resource is emerging that indicates a trend towards more comprehensive international regulation.

ICHARM Newsletter 15 is out
XXXVIIIth IAH Congress

The Polish Chapter of IAH and the AGH University of Science and Technology have pleasure to host the XXXVIII Congress in Krakow, Poland, from 12 to 17 September 2010.

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