Christiaan van der Tol

ET is the water lost to the atmosphere through plant stomata during photosynthesis and from the surface following a we

In many countries, shortage of drinking water is a problem.

Understanding of the effect of climate change on ecosystems is of great importance.

Farmers, agronomists, private enterprise and policy-makers need to know field conditions with sufficient early-warning.

The rate of carbon uptake by vegetation is not fully known.

The concept of nature conservation as well as ecosystem sustainability has received substantial attention of the human society, such is even more so recently given the dire IPCC warning about the a