Abstract: The authors have analyzed global station data and created a gridded dataset of monthly precipitation for the period of 1900?88. Statistical analyses suggest that discontinuities associated with instrumental errors are large ...

Abstract: n the mid-Holocene, the climate of northern Africa was characterized by wetter conditions than present, as evidenced by higher paleolake levels and pollen assemblages of savannah vegetation suggesting a wetter, greener ...

Abstract: Most evapotranspiration over land occurs through vegetation. The fraction of net radiation balanced by evapotranspiration depends on stomatal controls. Stomates transpire water for the leaf to assimilate carbon, depending ...