地球生态系统中不可恢复的碳
这些数据集提供了2010年和2018年的全球碳密度地图（地上、地下生物质碳和土壤有机碳储量），空间分辨率约为300米，单位为Mg ha-1（坐标系：WGS 1984，浮点格式）。输入的地图从已发表的文献中收集，并在必要时进行更新，以涵盖重点时间段。这些更新被应用于可管理碳、脆弱碳和不可恢复碳地图。可管理的碳是陆地和沿海生态系统中可能经历人为土地使用转换事件的碳。脆弱的碳是指在典型的土地利用转换中会释放的碳。不可恢复的碳是指如果损失，到本世纪中叶不会恢复的碳。数据集按生物质或土壤中的碳密度进行分类。要查看这些数据集，请访问：https://irrecoverable.resilienceatlas.org/map。你可以在这里阅读开放源码的论文
数据预处理
所有的数据集tif文件都被摄入谷歌地球引擎，生态系统层在去除无数据值后被摄入，以避免与-128无数据值冲突。生态系统分类图层也按照GEE的建议以模式抽样的方式摄入。
论文引用：
Noon, M.L., Goldstein, A., Ledezma, J.C. et al. Mapping the irrecoverable carbon in Earth’s ecosystems.Nat Sustain (2021). https://doi.org/10.1038/s41893-021-00803-6
数据引用：
Noon, Monica, Goldstein, Allie, Ledezma, Juan Carlos, Roehrdanz, Patrick, Cook-Patton, Susan C., Spawn-Lee, Seth A., Wright, Timothy Maxwell,Gonzalez-Roglich, Mariano, Hole, David G., Rockström, Johan, & Turner, Will R. (2021). Mapping the irrecoverable carbon in Earth's ecosystems(1.0) [Data set]. Zenodo. https://doi.org/10.5281/zenodo.4091029
代码：
var irrecoverable_carbon_total = ee.ImageCollection("projects/sat-io/open-datasets/irrecoverable_carbon/carbon_total");
var irrecoverable_carbon_soil = ee.ImageCollection("projects/sat-io/open-datasets/irrecoverable_carbon/carbon_soil");
var irrecoverable_carbon_biomass = ee.ImageCollection("projects/sat-io/open-datasets/irrecoverable_carbon/carbon_biomass");
var vulnerable_carbon_total = ee.ImageCollection("projects/sat-io/open-datasets/vulnerable_carbon/carbon_total");
var vulnerable_carbon_soil = ee.ImageCollection("projects/sat-io/open-datasets/vulnerable_carbon/carbon_soil");
var vulnerable_carbon_biomass = ee.ImageCollection("projects/sat-io/open-datasets/vulnerable_carbon/carbon_biomass");
var manageable_carbon_total = ee.ImageCollection("projects/sat-io/open-datasets/manageable_carbon/carbon_total");
var manageable_carbon_soil = ee.ImageCollection("projects/sat-io/open-datasets/manageable_carbon/carbon_soil");
var manageable_carbon_biomass = ee.ImageCollection("projects/sat-io/open-datasets/manageable_carbon/carbon_biomass");
var ecosystem_extent = ee.ImageCollection("projects/sat-io/open-datasets/ecosystem_extent");
var palette = ["#fcd6d2","#faacb9","#f768a1","#cf298f","#8c007a","#49006b"]
var eco_plt = ['#31572C','#3A0CA3','#CD5334','#4F772D','#4361EE','#FC9E4F','#90A955','#4CC9F0','#F2F3AE','#9D0610','#F9626C','#BD4EF9','#8207C5']
Map.addLayer(ecosystem_13_class.updateMask(ecosystem_13_class.neq(128)),{'min':1,'max':13,'palette':eco_plt},'Ecosystem Extent 13 class')
//Irrecoverable Carbon
Map.addLayer(irrecoverable_carbon_2010,{'min':0,'max':120,'palette':palette},'Irrecoverable Carbon Soil 2010',false)
Map.addLayer(irrecoverable_carbon_2018,{'min':0,'max':120,'palette':palette},'Irrecoverable Carbon Soil 2018',false)
//Manageable Carbon
Map.addLayer(manageable_carbon_2010,{'min':0,'max':120,'palette':palette},'Manageable Carbon Soil 2010',false)
Map.addLayer(manageable_carbon_2018,{'min':0,'max':120,'palette':palette},'Manageable Carbon Soil 2018',false)
//Vulnerable Carbon
Map.addLayer(vulnerable_carbon_2010,{'min':0,'max':120,'palette':palette},'Vulnerable Carbon Soil 2010',false)
Map.addLayer(vulnerable_carbon_2018,{'min':0,'max':120,'palette':palette},'Vulnerable Carbon Soil 2018',false)
代码链接: https://code.earthengine.google.com/?scriptPath=users/sat-io/awesome-gee-catalog-examples:geophysical-biological-biogeochemical/GLOBAL-IRRECOVERABLE-CARBON
License¶
This work is licensed under the Creative Commons Attribution 4.0 International License (Creative Commons — Attribution 4.0 International — CC BY 4.0 ). Users are free to use, copy, distribute, transmit, and adapt the work for commercial and non-commercial purposes, without restriction, as long as clear attribution of the source is provided.
Created by: Noon et al
Curated by: Samapriya Roy
Keywords: : irrecoverable carbon, vulnerable carbon, manageable carbon, global map, ecosystem
Last updated: 2021-12-14
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