Drought reconstruction since 1796 CE based on tree-ring widths in the upper Heilongjiang (Amur) River basin in Northeast Asia and its linkage to Pacific Ocean climate variability
Yang Xu,Heli Zhang,Feng Chen,Shijie Wang,Mao Hu,Martín Hadad,and Fidel Roig
Yang Xu
Yunnan Key Laboratory of International Rivers and Transboundary Eco-Security, Institute of International Rivers and Eco-Security, Yunnan University, Kunming 650500, China
Heli Zhang
Key Laboratory of Tree-Ring Physical and Chemical Research of China Meteorological Administration/ Xinjiang Key Laboratory of Tree-Ring Ecology, Institute of Desert Meteorology, China Meteorological Administration, Urumqi 830002, China
Yunnan Key Laboratory of International Rivers and Transboundary Eco-Security, Institute of International Rivers and Eco-Security, Yunnan University, Kunming 650500, China
Shijie Wang
Yunnan Key Laboratory of International Rivers and Transboundary Eco-Security, Institute of International Rivers and Eco-Security, Yunnan University, Kunming 650500, China
Mao Hu
Yunnan Key Laboratory of International Rivers and Transboundary Eco-Security, Institute of International Rivers and Eco-Security, Yunnan University, Kunming 650500, China
Martín Hadad
Laboratorio de Dendrocronología e Historia Ambiental, IANIGLA-CCT CONICET, Mendoza, Argentina
Fidel Roig
Hémera Centro de Observación de la Tierra, Escuela de Ingeniería Forestal, Facultad de Ciencias, Universidad Mayor, Camino La Pirámide 5750, Huechuraba, Santiago 8580745, Chile
Laboratorio de Dendrocronología de Zonas Áridas, CIGEOBIO (CONICET-UNSJ), San Juan, Argentina, Gabinete de Geología Ambiental (INGEO-UNSJ), Av. Ignacio de la Roza 590 (oeste), J5402DCS Rivadavia, San Juan, Argentina
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We reconstructed the monthly mean self-calibrating Palmer drought severity index for May–July in the upper Heilongjiang (Amur) Basin since 1796. Our analysis suggests that the dry/wet variability in this basin is related to several large-scale climate stresses and atmospheric circulation patterns (El Niño–Southern Oscillation). The cause of drought is primarily a reduction in advective water vapor transport, rather than precipitation circulation processes.
We reconstructed the monthly mean self-calibrating Palmer drought severity index for May–July in...
