A new global 1-km dataset of percentage tree cover derived from remote sensing
Global Change Biology
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Abstract
Accurate assessment of the spatial extent of forest cover is a crucial requirement for quantifying the sources and sinks of carbon from the terrestrial biosphere. In the more immediate context of the United Nations Framework Convention on Climate Change, implementation of the Kyoto Protocol calls for estimates of carbon stocks for a baseline year as well as for subsequent years. Data sources from country level statistics and other ground-based information are based on varying definitions of 'forest' and are consequently problematic for obtaining spatially and temporally consistent carbon stock estimates. By combining two datasets previously derived from the Advanced Very High Resolution Radiometer (AVHRR) at 1 km spatial resolution, we have generated a prototype global map depicting percentage tree cover and associated proportions of trees with different leaf longevity (evergreen and deciduous) and leaf type (broadleaf and needleleaf). The product is intended for use in terrestrial carbon cycle models, in conjunction with other spatial datasets such as climate and soil type, to obtain more consistent and reliable estimates of carbon stocks. The percentage tree cover dataset is available through the Global Land Cover Facility at the University of Maryland at http://glcf.umiacs.umd.edu.
Suggested Citation
DeFries, R., Hansen, M., Townshend, J., Janetos, A., Loveland, T., 2000, A new global 1-km dataset of percentage tree cover derived from remote sensing: Global Change Biology, v. 6, no. 2, p. 247-254, https://doi.org/10.1046/j.1365-2486.2000.00296.x.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | A new global 1-km dataset of percentage tree cover derived from remote sensing |
| Series title | Global Change Biology |
| DOI | 10.1046/j.1365-2486.2000.00296.x |
| Volume | 6 |
| Issue | 2 |
| Publication Date | December 24, 2001 |
| Year Published | 2000 |
| Language | English |
| Publisher | Wiley |
| Contributing office(s) | Earth Resources Observation and Science (EROS) Center |
| Description | 8 p. |
| First page | 247 |
| Last page | 254 |