Size, distribution, and vulnerability of the global soil inorganic carbon

Global estimates of the size, distribution, and vulnerability of soil inorganic carbon (SIC) remain largely unquantified. By compiling 223,593 field-based measurements and developing machine-learning models, we report that global soils store 2305 ± 636 (±1 SD) billion tonnes of carbon as SIC over the top 2-meter depth. Under future scenarios, soil acidification associated with nitrogen additions to terrestrial ecosystems will reduce global SIC (0.3 meters) up to 23 billion tonnes of carbon over the next 30 years, with India and China being the most affected. Our synthesis of present-day land-water carbon inventories and inland-water carbonate chemistry reveals that at least 1.13 ± 0.33 billion tonnes of inorganic carbon is lost to inland-waters through soils annually, resulting in large but overlooked impacts on atmospheric and hydrospheric carbon dynamics.

Авторы
Huang Yuanyuan 1, 2 , Song Xiaodong 3 , Wang Ying-Ping 4 , Canadell J.G. 4 , Luo Yiqi 5 , Ciais Philippe 6 , Chen Anping 7 , Hong Songbai 8 , Wang Yugang 9 , Tao Feng 10 , Li Wei 11 , Xu Yiming 12 , Mirzaeitalarposhti Reza 13 , Elbasiouny Heba 14 , Savin Igor 15, 16 , Shchepashchenko Dmitry 17, 18, 19 , Rossel R.A. 20 , Goll D.S. 6 , Chang Jinfeng 17, 21 , Houlton B.Z. 10 , Wu Huayong 3 , Yang Fei 3 , Feng Xiaoming 22 , Chen Yongzhe 23 , Liu Yu 1 , Niu Shuli 1 , Zhang Gan-Lin 3, 24, 25
Журнал
Издательство
American Association for the Advancement of Science
Номер выпуска
6692
Язык
Английский
Страницы
233-239
Статус
Опубликовано
Том
384
Год
2024
Организации
  • 1 Key Laboratory of Ecosystem Network Observation and Modeling, Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences
  • 2 State Key Laboratory of Resources and Environmental Information System, Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences
  • 3 State Key Laboratory of Soil and Sustainable Agriculture, Institute of Soil Science, Chinese Academy of Sciences
  • 4 CSIRO Environment
  • 5 Soil and Crop Sciences Section, School of Integrative Plant Science, Cornell University
  • 6 Laboratoire des Sciences du Climat et de l'Environnement, CEA/CNRS/UVSQ/Université Paris Saclay
  • 7 Department of Biology and Graduate Degree Program in Ecology, Colorado State University
  • 8 School of Urban Planning and Design, Shenzhen Graduate School, Peking University
  • 9 State Key Laboratory of Desert and Oasis Ecology, Xinjiang Institute of Ecology and Geography, Chinese Academy of Sciences
  • 10 Department of Ecology and Evolutionary Biology and Department of Global Development, Cornell University
  • 11 Department of Earth System Science, Ministry of Education Key Laboratory for Earth System Modelling, Institute for Global Change Studies, Tsinghua University, Beijing
  • 12 School of Grassland Science, Beijing Forestry University
  • 13 Institute of Crop Science (340i), University of Hohenheim
  • 14 Agriculture Faculty (Girls), Al-Azhar University
  • 15 V.V. Dokuchaev Soil Science Institute
  • 16 Institute of Environmental Engineering of RUDN University
  • 17 International Institute for Applied Systems Analysis (IIASA)
  • 18 Center for Forest Ecology and Productivity of the Russian Academy of Sciences
  • 19 Institute of Ecology and Geography, Siberian Federal University
  • 20 Soil and Landscape Science School of Molecular and Life Sciences, Faculty of Science and Engineering, Curtin University
  • 21 College of Environmental and Resource Sciences, Zhejiang University
  • 22 Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences
  • 23 Department of Geography, The University of Hong Kong
  • 24 College of Advanced Agronomy, University of Chinese Academy of Sciences
  • 25 Nanjing Institute of Geography and Limnology, Chinese Academy of Sciences
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Аватков В.А., Апанович М.Ю., Борзова А.Ю., Бордачев Т.В., Винокуров В.И., Волохов В.И., Воробьев С.В., Гуменский А.В., Иванченко В.С., Каширина Т.В., Матвеев О.В., Окунев И.Ю., Поплетеева Г.А., Сапронова М.А., Свешникова Ю.В., Фененко А.В., Феофанов К.А., Цветов П.Ю., Школярская Т.И., Штоль В.В. ...
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