Subjects: Information Science and Systems Science >> Basic Disciplines of Information Science and Systems Science submitted time 2021-01-26
Abstract： It is an important decision-making basis for the high-quality development of the whole basin in mastering the evolution of the spatio-temporal pattern in the economic development of the Yellow River Basin systematically. At present, GDP is the main reference to measure the pattern of economic development, however, GDP statistics have the disadvantages of not uniform caliber and low spatial resolution, it is difficult to accurately characterize the evolution pattern of economic development in space and time. The nightlight data reflect it effectively with its relatively objective characteristics. Through the correction and processing of the national nightlight data from 1992 to 2013, this paper obtains the national and watershed nightlight data images, conducts economic spatial aggregation analysis, and compares and analyzes the relevant factors. The results show that the areas with high economic spatial aggregation are distributed near the Yellow River channel, from the upper reaches to the lower reaches of the Yellow River, the heat intensity is gradually increasing, and the provincial capital city is the core area, spreading outwards, showing the tendency of the polymerization area to disperse to the surrounding area under the condition that the polymerization of the old polymerization point is intensified; The basin development index BDI has a certain correlation, the overall trend of nightlight data in 9 provinces of the basin is basically consistent with the change trend of the national nightlight data, showing a steady upward trend, but the overall value is lower than the national nightlight data, the high-quality development of the Yellow River basin is imminent.
Peer Review Status:
Awaiting Review
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