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SOIL CARBON CHECK:A TOOL FOR MONITORING AND GUIDING SOIL CARBON SEQUESTRATION IN FARMER FIELDS

Frontiers of Agricultural Science and Engineering 2023年第2期10卷 248-261页

作者： Jan Adriaan REIJNEVELD Martijn Jasper van OOSTRUM Karst Michiel BROLSMA Oene OENEMA Eurofins International Agro Competence Center Binnenhaven 56709 PD Wageningenthe Netherlands Wageningen Environmental Research Wageningen University&ResearchP.O.Box 476700 AA Wageningenthe Netherlands

In 2015,17 Sustainable Development Goals(SDGs)were approved,including SDG13,which addresses actions to increase carbon capture(CO_(2)-C storage)for climate change ***,no analytical procedures have been defined for quantifying soil organic carbon(SOC)*** paper presents a rapid tool for guiding farmers and for monitoring SOC sequestration in farmer *** tool consists of multiconstituent soil analyses through near-infrared spectroscopy(NIRS)and an SOC mineralization *** tool provides forecasts of SOC sequestration over *** analyses by NIRS have been calibrated and validated for farmer fields in European countries,China,New Zealand,and *** indicate a high accuracy of determination for SOC(R^(2)≥0.93),and for inorganic C,soil texture,and soil bulk *** oxidizable soil C is used as proxy for active SOC,to detect early management-induced changes in SOC contents,and is also quantified by NIRS(R^(2)=0.92).A pedotransfer function is used to convert the results of the soil analyses to SOC sequestration in kg·ha^(-1)C as well as CO_(2).In conclusion,the tool allows fast,quantitative,and action-driven monitoring of SOC sequestration in farmer fields,and thereby is an essential tool for monitoring progress of SDG13.

关键词： 4 per 1000 initiative carbon sequestration climate action farmer fields SDG13 soil organic carbon soil testing

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The ocean response to climate change guides both adaptation and mitigation efforts

引用

Atmospheric and Oceanic Science Letters 2022年第4期15卷 58-66页

作者： John Abraham Lijing Cheng Michael E.Mann Kevin Trenberth Karina vonSchuckmann University of St.Thomas School of EngineeringMinnesotaUSA Institute of Atmospheric Physics Chinese Academy of SciencesBeijingChina Center for Ocean Mega-Science Chinese Academy of SciencesQingdaoChina Department of Meteorology and Atmospheric Science Penn StatePennsylvaniaUSA National Center for Atmospheric Research BoulderCOUSA Mercator Ocean International ToulouseFrance University of Auckland AucklandNew Zealand

The ocean’s thermal inertia is a major contributor to irreversible ocean changes exceeding time scales that matter to human *** fact is a challenge to societies as they prepare for the consequences of climate change,especially with respect to the *** the authors review the requirements for human actions from the ocean’s *** the near term(∼2030),goals such as the United Nations Sustainable Development Goals(SDGs)will be *** longer times(∼2050–2060 and beyond),global carbon neutrality targets may be met as countries continue to work toward reducing *** adaptation and mitigation plans need to be fully implemented in the interim,and the Global Ocean Observation System should be sustained so that changes can be continuously *** the longer-term(after∼2060),slow emerging changes such as deep ocean warming and sea level rise are committed to continue even in the scenario where net zero emissions are ***,climate actions have to extend to time scales of hundreds of *** these time scales,preparation for“high impact,low probability”risks—such as an abrupt showdown of Atlantic Meridional Overturning Circulation,ecosystem change,or irreversible ice sheet loss—should be fully integrated into long-term planning.

关键词： Global change Ocean Time scale climate adaptation and mitigation climate action High impact low probability

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