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The following files contain source data for use of the Community Land Model 4.0 at two study sites in Volcanoes National Park, Hawai'i. Included are: Biometric data: 1) Growth increment data for Thurston and Olaa, based on dbh surveys done in four 10 m by 10 m plots at over a 12 year time period at Thurston and at six plots overs a 12 year period at Olaa, 2) Field measured leaf area index data. Measurements were made using LAI-2000 and LAI-2200 instruments, 3) Litterfall from Thurston and Olaa over a 17-mo period from June 2014 to Sep 2015. Data were sorted by species/litter type. Data are weights., 4) Field measured soil respiration data scaled to annual values and compared with tower-based measurements of ecosystem...
Categories: Data;
Tags: Ball-Berry's m,
Forests,
Gross primary production,
Landscapes,
Pacific Islands CASC, All tags...
aboveground biomass,
aboveground carbon density,
alometric relationship,
biometric measurements,
ecosystem carbon exchange,
evapotranspiration,
flux files,
flux towers,
growth increment,
leaf area index,
leaf-level measurement,
litterfall,
metrosideros polymorpha,
photosynthesis,
psidium cattleianum,
soil respiration,
stomatal conductance,
transpiration,
vcmax, Fewer tags
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Cloud-water interception (CWI) is the process by which fog or cloud water droplets are captured and accumulate on the leaves and branches of plants, some of which drips to the ground. Prior studies in Hawai'i indicate that CWI is highly variable and can contribute substantially to total precipitation. In this study, we monitored CWI and other processes at five mountain field sites on the Islands of Oʻahu, Maui, and Hawaiʻi to explore how CWI (1) varies with different climate and vegetation characteristics, (2) affects plant water use and growth, and (3) contributes to water resources. Results show that annual CWI varied from 158 to 910 mm, accounting for 3-34% of total water input at individual sites. This large...
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