Rising grain prices in response to phased climatic change during 1736-1850 in the North China Plain

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http://hdl.handle.net/10138/313979

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Wen , Y , Fang , X , Liu , Y & Li , Y 2019 , ' Rising grain prices in response to phased climatic change during 1736-1850 in the North China Plain ' , Science china. Earth sciences , vol. 62 , no. 11 , pp. 1832-1844 . https://doi.org/10.1007/s11430-018-9431-y

Title: Rising grain prices in response to phased climatic change during 1736-1850 in the North China Plain
Author: Wen, Yanjun; Fang, Xiuqi; Liu, Yang; Li, Yikai
Contributor: University of Helsinki, Doctoral Programme in Atmospheric Sciences
Date: 2019-11
Language: eng
Number of pages: 13
Belongs to series: Science china. Earth sciences
ISSN: 1674-7313
URI: http://hdl.handle.net/10138/313979
Abstract: Grain price volatility during historical periods is regarded as an important indicator of the impact of climate change on economic system, as well as a key link to adjust food security and social stability. The present study used the wheat prices in Baoding Prefecture, China, during 1736-1850 to explore connections between climatic transition and grain price anomalies in the North China Plain. The main findings were as follows: (1) The grain price change showed an apparent correspondence with climatic transition. The period 1781-1820 was a transition phase, with more extremes and decreased precipitations when the climate shifted from a warm phase to a cold one. Corresponding with the climatic transition, the grain price during 1781-1820 was characterized by that the mean of the original grain price series was significantly higher (lower) than the previous (later) phase, and the variance and anomaly amplitude of the detrended grain price series was the highest during 1736-1850. (2) The correspondence between grain price extremes and drought events occurred in phases. Five grain price extremes occurred following drought events during 1781-1810, while extreme droughts were the direct cause of the grain price spike during 1811-1820. (3) Social stability affected by climate change also played an important role in the grain price spike between 1811 and 1820. Paralleling the pathway of "precipitation-grain production-grain price", climate change could have an impact on grain price via the pathway of "precipitation-grain production-grain price-famine-uprising-grain price", as shown during the Tianli Uprising in 1813. These findings could contribute to an improved understanding of the interaction between climate change and human society during the historical period.
Subject: 18-19th century
Climate change
Grain price anomalies
North China Plain
RECONSTRUCTION
PRECIPITATION
TEMPERATURE
IMPACTS
FAMINES
19TH-CENTURY
GERMANY
EUROPE
CYCLES
1171 Geosciences
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