Journal of Geographical Sciences
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Relationships between energy consumption and climate change in China
Journal of Geographical Sciences - Tập 14 - Trang 87-93 - 2004
Energy consumption has an inevitable connection with economic level and climate. Based on selected data covering annual total energy consumption and its composition and that of all kinds of energy in 1953–1999, the annual residential energy consumption and the coal and electricity consumption in 1980–1999 in China, the acreage of crops under cultivation suffered from drought and flood annually and...... hiện toàn bộ
A novel method for approximating intercity networks: An empirical comparison for validating the city networks in two Chinese city-regions
Journal of Geographical Sciences - Tập 25 - Trang 337-354 - 2015
A network perspective has increasingly become an organizational paradigm for understanding regional spatial structures. Based on a critical overview of existing empirical models for estimating intercity networks based on firm linkages, this study extends the recently proposed regional corporate city model algorithm by proposing a new method for approximating urban networks based on the locational ...... hiện toàn bộ
International Conference on Water Security for Future Generations
Journal of Geographical Sciences - Tập 13 - Trang N1-N1 - 2003
Channel change at Toudaoguai Station and its responses to the operation of upstream reservoirs in the upper Yellow River
Journal of Geographical Sciences - Tập 20 Số 2 - Trang 231-247 - 2010
Spatiotemporal variations of aridity index over the Belt and Road region under the 1.5°C and 2.0°C warming scenarios
Journal of Geographical Sciences - Tập 30 - Trang 37-52 - 2020
Aridity index reflects the exchanges of energy and water between the land surface and the atmosphere, and its variation can be used to forecast drought and flood patterns, which makes it of great significance for agricultural production. The ratio of potential evapotranspiration and precipitation is applied to analyse the spatial and temporal distributions of the aridity index in the Belt and Road...... hiện toàn bộ
Rise and decline of ancient salt industry revealed by Na and Ca concentrations in sediments at Zhongba site, Chongqing
Journal of Geographical Sciences - Tập 18 - Trang 328-340 - 2008
Based on dynastic period division and AMS14C dating performed on the sedimentary layers at Zhongba and Yuxi sites, and also the analysis of Na, Ca and Mg of 201 sedimentary samples from Zhongba site and that of Ca and Na in 47 sedimentary samples from Yuxi by using an inductively coupled plasma-mass spectrometry (ICP), we found that there were 35 time periods when the contents of Ca and Na were re...... hiện toàn bộ
The impact of dynamic change of cropland on grain production in Jilin
Journal of Geographical Sciences - Tập 14 - Trang 56-62 - 2004
The quantity and quality changes of cropland in Jilin province are analyzed by combining the statistics from 1949 to 1999 and land-use maps interpreted from TM images in 1986 and in 2000. In general, the decreasing trend of the cropland in Jilin province was derived from the statistic data in 1949–1999. While since 1983, the cropland area has increased slightly, because of the conversion from othe...... hiện toàn bộ
International Conference onLand Use / Cover Change Dynamics
Journal of Geographical Sciences - Tập 11 - Trang 121-121 - 2001
Have China’s drylands become wetting in the past 50 years?
Journal of Geographical Sciences - Tập 33 - Trang 99-120 - 2023
Recently, whether drylands of Northwest China (NW) have become wetting has been attracting surging attentions. By comparing the Standard Precipitation Evapotranspiration Indices (SPEI) derived from two different potential evapotranspiration estimates, i.e., the Thornthwaite algorithm (SPEI_th) and the Penman-Monteith equation (SPEI_pm), we try to resolve the controversy. The analysis indicated tha...... hiện toàn bộ
Interregional coal flow and its environmental loads transfer in Shanxi Province
Journal of Geographical Sciences - Tập 21 - Trang 757-767 - 2011
For the low price of coal and ineffective environmental management in mining area, China is in the dilemma of the increasing coal demand and the serious environmental issues in mining area. The more coal that is exported from a region, the more heavily it suffers from the environmental impacts of coal export. In this paper, the temporal and spatial process of exporting coal from Shanxi to other pr...... hiện toàn bộ
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