High-resolution satellite data reveal an increase in peak growing season gross primary production in a high-Arctic wet tundra ecosystem 1992–2008
نویسندگان
چکیده
منابع مشابه
Disentangling trophic relationships in a High Arctic tundra ecosystem through food web modeling.
Determining the manner in which food webs will respond to environmental changes is difficult because the relative importance of top-down vs. bottom-up forces in controlling ecosystems is still debated. This is especially true in the Arctic tundra where, despite relatively simple food webs, it is still unclear which forces dominate in this ecosystem. Our primary goal was to assess the extent to ...
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Introduction Conclusions References
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Medium Spatial Resolution Satellite Imagery to Estimate Gross Primary Production in an Urban Area
Remote sensing data with medium spatial resolution can provide useful information about Gross Primary Production (GPP), especially on the scale of urban areas. Most models of ecosystem carbon exchange that are based on remote sensing use some form of the light use efficiency (LUE) model. The aim of this work is to analyze the distribution of annual GPP in the urban area of Denpasar, Bali. Addit...
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Accurate estimates of gross primary production (GPP) for croplands are needed to assess carbon cycle and crop yield. Satellite-based models have been developed to monitor spatial and temporal GPP patterns. However, there are still large uncertainties in estimating cropland GPP. This study compares three light use efficiency (LUE) models (MODISGPP, EC-LUE, and VPM) with eddy-covariance measureme...
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ژورنال
عنوان ژورنال: International Journal of Applied Earth Observation and Geoinformation
سال: 2012
ISSN: 0303-2434
DOI: 10.1016/j.jag.2012.03.016