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Cloud water interception (CWI) is a significant source of water for many tropical montane cloud forests (TMCFs) in Hawai‘i and elsewhere. As vast regions of the Hawaiian Islands have undergone extensive deforestation over the past several centuries, many have suggested that the loss of CWI and other ecohydrological characteristics of tropical forests may have resulted in lower rates of groundwater recharge and subsequent streamflow. Leeward Kohala is one such region where many hectares of closed-canopy TMCF and wet-mesic woodland were lost to the cattle industry, which planted exotic pasture grasses in their stead. Because leeward Kohala’s perched groundwater system is geologically-isolated from the intact forests of windward Kohala, the resulting loss of CWI could have significantly lowered recharge rates and water table levels throughout the leeward slope. But despite reports of reduced flow and increased flashiness in leeward streams, CWI in Kohala’s remaining leeward forests has not yet been quantified.
Anmerkung:
Dissertation Stanford University 2020
Sprache:
Englisch
Schlagwort(e):
USA
;
Hawaii
;
Leeward Islands
;
Tropischer Wald
;
Wasseraufnahme
;
Hochschulschrift
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Mehr zum Autor:
Vitousek, Peter Morrison 1949-
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