A. Baccini, S J. Goetz, W.S. Walker, N. T. Laporte, M. Sun, D.
Sulla-Menashe, J. Hackler, P.S.A. Beck, R. Dubayah, M.A. Friedl, S. Samanta
和 R. A. Houghton。碳密度地圖可提升熱帶森林砍伐的二氧化碳排放量估算準確度。2012 年《Nature Climate Change》期刊，doi:10.1038/NCLIMATE1354
[null,null,[],[[["\u003cp\u003eThis dataset provides a national-level map of above-ground live woody biomass density for tropical countries at a 500m resolution.\u003c/p\u003e\n"],["\u003cp\u003eThe dataset was created using a combination of field measurements, LiDAR observations, and MODIS imagery.\u003c/p\u003e\n"],["\u003cp\u003eIt represents above-ground live woody biomass density in Megagrams per Hectare (Mg/ha).\u003c/p\u003e\n"],["\u003cp\u003eThis dataset is freely available for scientific, conservation, and educational purposes.\u003c/p\u003e\n"],["\u003cp\u003eThe data is primarily intended for research and analysis of carbon stocks and deforestation in tropical regions.\u003c/p\u003e\n"]]],["The WHRC provides a dataset of above-ground live woody biomass density for tropical countries, captured on January 29, 2012, at a 500-meter pixel resolution. The data, derived from field measurements, LiDAR, and MODIS imagery, is available through Google Earth Engine using the `ee.Image(\"WHRC/biomass/tropical\")` snippet. Users are allowed to use the dataset for scientific, conservation, and educational purposes while providing feedbacks on errors. The dataset is measured in Megagrams per hectare (Mg/ha) with values from 0 to 503.\n"],null,["# WHRC Pantropical National Level Carbon Stock Dataset\n\nDataset Availability\n: 2012-01-29T00:00:00Z--2012-01-29T00:00:00Z\n\nDataset Provider\n:\n\n\n [WHRC](https://www.woodwellclimate.org/)\n\nTags\n:\n [aboveground](/earth-engine/datasets/tags/aboveground) [biomass](/earth-engine/datasets/tags/biomass) [carbon](/earth-engine/datasets/tags/carbon) [forest-biomass](/earth-engine/datasets/tags/forest-biomass) [geophysical](/earth-engine/datasets/tags/geophysical) [umd](/earth-engine/datasets/tags/umd) \n pantropical \n tropical \nwhrc \n\n#### Description\n\nA national-level map of above-ground live woody biomass density for\ntropical countries at 500m. This dataset was assembled from a combination\nof co-located field measurements, LiDAR observations, and imagery recorded\nfrom the Moderate Resolution Imaging Spectroradiometer (MODIS).\n\n### Bands\n\n\n**Pixel Size**\n\n500 meters\n\n**Bands**\n\n| Name | Units | Min | Max | Pixel Size | Description |\n|------|-------|-----|-------|------------|---------------------------------------------------------|\n| `Mg` | Mg/ha | 0\\* | 503\\* | meters | Megagrams of aboveground live woody biomass per Hectare |\n\n\\* estimated min or max value\n\n### Terms of Use\n\n**Terms of Use**\n\n- The national level dataset is freely available for use for scientific, conservation, and educational purposes.\n- Users acknowledge that they themselves are responsible for determining whether the dataset is of sufficient quality and appropriateness for their objectives.\n- Users agree that they will make reasonable efforts to provide appropriate feedbacks and notification of any significant errors that they identify in the dataset.\n\n### Citations\n\nCitations:\n\n- A. Baccini, S J. Goetz, W.S. Walker, N. T. Laporte, M. Sun, D.\n Sulla-Menashe, J. Hackler, P.S.A. Beck, R. Dubayah, M.A. Friedl, S. Samanta\n and R. A. Houghton. Estimated carbon dioxide emissions from tropical\n deforestation improved by carbon-density maps. 2012 Nature Climate Change,\n [doi:10.1038/NCLIMATE1354](https://doi.org/10.1038/NCLIMATE1354)\n\n### Explore with Earth Engine\n\n| **Important:** Earth Engine is a platform for petabyte-scale scientific analysis and visualization of geospatial datasets, both for public benefit and for business and government users. Earth Engine is free to use for research, education, and nonprofit use. To get started, please [register for Earth Engine access.](https://console.cloud.google.com/earth-engine)\n\n### Code Editor (JavaScript)\n\n```javascript\nvar dataset = ee.Image('WHRC/biomass/tropical');\n// Show results only over land.\nvar landMask = ee.Image('NOAA/NGDC/ETOPO1').select('bedrock').gt(0);\nvar liveWoodyBiomass = dataset.updateMask(landMask);\n\nvar visParams = {\n min: 0,\n max: 350,\n palette: [\n 'ffffff', 'ce7e45', 'df923d', 'f1b555', 'fcd163', '99b718', '74a901',\n '66a000', '529400', '3e8601', '207401', '056201', '004c00', '023b01',\n '012e01', '011d01', '011301'\n ],\n};\nMap.addLayer(\n liveWoodyBiomass, visParams, 'Aboveground Live Woody Biomass (Mg/ha)');\n\nMap.setCenter(-69.4, 0.3, 3);\nMap.setOptions('SATELLITE');\n```\n[Open in Code Editor](https://code.earthengine.google.com/?scriptPath=Examples:Datasets/WHRC/WHRC_biomass_tropical) \n[WHRC Pantropical National Level Carbon Stock Dataset](/earth-engine/datasets/catalog/WHRC_biomass_tropical) \nA national-level map of above-ground live woody biomass density for tropical countries at 500m. This dataset was assembled from a combination of co-located field measurements, LiDAR observations, and imagery recorded from the Moderate Resolution Imaging Spectroradiometer (MODIS). \nWHRC/biomass/tropical, aboveground,biomass,carbon,forest-biomass,geophysical,umd \n2012-01-29T00:00:00Z/2012-01-29T00:00:00Z \n-90 -180 90 180 \nGoogle Earth Engine \nhttps://developers.google.com/earth-engine/datasets\n\n- [](https://doi.org/https://www.woodwellclimate.org/)\n- [](https://doi.org/https://developers.google.com/earth-engine/datasets/catalog/WHRC_biomass_tropical)"]]
