Remote Sensing Technology and Application, Volume. 39, Issue 5, 1159(2024)

Analysis of the Impact Mechanism of Secondary Forest Aboveground Biomass and Estimation of Carbon Sink Potential in Guangdong Province

Chongyuan BI, Xueyan LI, Yongxian SU, Xingping WEN, Jianping WU, and Chaoqun ZHANG
Author Affiliations
  • Faculty of Land Resource Engineering, Kunming University of Science and Technology, Kunming650093, China
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    Figures & Tables(12)
    Flow chart
    Distribution map of cumulative net new secondary forests in Guangdong Province from 1982 to 2018
    The proportion of secondary forests in each age stage
    Aboveground biomass accumulation and accumulation rates in secondary forests
    Impacts of different drivers on aboveground biomass
    Ranking of importance of drivers of aboveground biomass accumulation in Guangdong Province
    Ranking of importance of drivers of aboveground biomass accumulation in each district
    Potential regional distribution
    Scenario simulation
    Aboveground carbon stocks at county level in 2020
    County-level aboveground carbon stock projections to 2050
    • Table 1. Remote sensing data information

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      Table 1. Remote sensing data information

      数据分类数据名称单位

      空间

      分辨率

      时间

      分辨率

      时间

      序列

      用途遥感数据来源

      地上

      生物量

      Above-ground Biomass(AGB)

      Mg/ha

      100 m

      2018年

      次生林地上生物量的提取

      欧空局生物质气候变化倡议Biomass_cci,https:∥catalogue.ceda.ac.uk/uuid/bedc-59f37c9545c981a-839eb 552e4084

      气候

      降雨mm0.041 6°

      1982~2018年

      多年平均年降水量计算TerraClimate的气象和水平衡变量全球网格数据集,https:∥climatedataguide.ucar.edu/climate-data/terraclimate-glo-bal-high-resolution-gridded-temperature-precipitation-and-other-water
      土壤湿度mm0.041 6°多年平均土壤湿度
      短波辐射W/m²0.041 6°年均辐射
      最大温度0.041 6°多年平均最高月均温
      最小温度0.041 6°多年平均最低月均温
      地形地貌DEMm30 m2018年坡度坡向的生成地理空间数据云,https:∥www.gscloud.cn/#page1/4

      土壤质地

      土壤总碳

      含量

      %0.008 3°2012计算并提取年均土壤总碳含量,用于驱动因子分析http:∥globalchange.bnu.edu.cn/

      土壤总氮

      含量

      %0.008 3°计算并提取年均土壤总氮含量,用于驱动因子分析
      森林增益森林种植30 m1982~2018年

      次生林的提取

      和林龄估算

      Landsat数据和种植树木空间数据库SDPT https:∥figs-hare.com/articles/dataset/A_global_map_of_plan-ting_years_of_plantations/19070084/1
      森林干扰森林损失30 m2001~2012年

      去除受到干扰的次生林

      https:∥glad.earthengine.app/view/global-forest-change
      土地覆盖Landcover30 m2010年区分森林植被类型http:∥www.resdc.cn
      LUCC30 m2018年提取潜在宜林地分布中国科学院环境科学数据中心,http:∥www.resdc.cn
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    Chongyuan BI, Xueyan LI, Yongxian SU, Xingping WEN, Jianping WU, Chaoqun ZHANG. Analysis of the Impact Mechanism of Secondary Forest Aboveground Biomass and Estimation of Carbon Sink Potential in Guangdong Province[J]. Remote Sensing Technology and Application, 2024, 39(5): 1159

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    Paper Information

    Category:

    Received: Feb. 3, 2023

    Accepted: --

    Published Online: Jan. 7, 2025

    The Author Email:

    DOI:10.11873/j.issn.1004-0323.2024.5.1159

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