GloSEM: High-resolution global estimates of present and future soil displacement in croplands by water erosion.

GloSEM: High-resolution global estimates of present and future soil displacement in croplands by water erosion.
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DOI:
10.1038/s41597-022-01489-x
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发表时间:
2022-07-13
期刊:
影响因子:
9.8
通讯作者:
Panagos, Panos
Panagos, Panos
中科院分区:
综合性期刊2区
文献类型:
--
作者:
Borrelli, Pasquale;Ballabio, Cristiano;Yang, Jae E.;Robinson, David A.;Panagos, Panos

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健康的土壤是支撑全球农业和粮食安全的基础。土壤侵蚀是目前对土壤健康的最严重威胁,导致产量下降、生态系统退化和经济影响。在这里,我们提供高分辨率(CA。在当前(2019年)和未来(2070年)气候情景下(即共享社会经济路径[SSP]1-代表性浓度路径[RCP]2.6、SSP 2-RCP 4.5和SSP 5-RCP 8.5),使用基于通用土壤流失方程的全球土壤侵蚀建模(GloSEM)平台获得的全球水土流失土壤位移估计值。GloSEM是第一个考虑区域农业系统、保护性农业(CA)的缓解效应和气候变化预测的全球建模平台。我们提供了一套数据、地图和描述性统计数据,以支持研究人员和决策者探索土壤侵蚀的程度和地理位置,确定可能的热点,并(与利益相关者)探索减轻影响的适当行动。在这方面,我们还提供了一个Excel电子表格,可以为国家一级目前和未来的保护性耕作替代情景的潜在缓解效果提供有用的见解。
Healthy soil is the foundation underpinning global agriculture and food security. Soil erosion is currently the most serious threat to soil health, leading to yield decline, ecosystem degradation and economic impacts. Here, we provide high-resolution (ca. 100 × 100 m) global estimates of soil displacement by water erosion obtained using the Revised-Universal-Soil-Loss-Equation-based Global Soil Erosion Modelling (GloSEM) platform under present (2019) and future (2070) climate scenarios (i.e. Shared Socioeconomic Pathway [SSP]1–Representative Concentration Pathway [RCP]2.6, SSP2–RCP4.5 and SSP5–RCP8.5). GloSEM is the first global modelling platform to take into account regional farming systems, the mitigation effects of conservation agriculture (CA), and climate change projections. We provide a set of data, maps and descriptive statistics to support researchers and decision-makers in exploring the extent and geography of soil erosion, identifying probable hotspots, and exploring (with stakeholders) appropriate actions for mitigating impacts. In this regard, we have also provided an Excel spreadsheet that can provide useful insights into the potential mitigating effects of present and future alternative CA scenarios at the country level.
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