Reconciling historical changes in the hydrological cycle over land
نویسندگان
چکیده
Abstract The sixth Intergovernmental Panel on Climate Change (IPCC) assessment report confirms that global warming drives widespread changes in the terrestrial hydrological cycle, and are regionally diverse. However, reported trends cycle suffer from significant inconsistencies. This is associated with lack of a rigorous observationally-based simultaneous different components cycle. Here, we reconcile these estimates historical by simultaneously analysing all major coupled vegetation greenness for period 1980–2012. We use observationally constrained, conserving closure combined data assimilation approach observationally-driven uncertainty estimates. find robust across more than 50% land area, evapotranspiration (ET) changing most precipitation ( P ) least. many instances unambiguous ET runoff Q without , result broadly consistent “wet gets wetter, but dry does not get drier”. These findings provide important opportunities water resources management climate risk over fraction surface where have previously been uncertain.
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ژورنال
عنوان ژورنال: npj climate and atmospheric science
سال: 2022
ISSN: ['2397-3722']
DOI: https://doi.org/10.1038/s41612-022-00240-y