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ISPRS Int. J. Geo-Inf. 2020, 9(1), 35; https://doi.org/10.3390/ijgi9010035

Correction
Correction: Gu, Q., et al. Regionalization Analysis and Mapping for the Source and Sink of Tourist Flows. ISPRS Int. J. Geo-Inf. 2019, 8, 314
by Qiushi Gu 1, Haiping Zhang 2,3,4,*, Min Chen 2,3,4 and Chongcheng Chen 5
1
School of Humanities, Southeast University, Nanjing 210096, China
2
Key Laboratory of Virtual Geographic Environment, Nanjing Normal University, Ministry of Education, Nanjing 210023, China
3
Jiangsu Center for Collaborative Innovation in Geographical Information Resource Development and Application, Nanjing 210023, China
4
State Key Laboratory Cultivation Base of Geographical Environment Evolution (Jiangsu Province), Nanjing 210023, China
5
Key lab of Spatial Data Mining & Information Sharing, Ministry of Education, Fuzhou University, Fuzhou 350108, China
*
Author to whom correspondence should be addressed.
Received: 28 November 2019 / Accepted: 18 December 2019 / Published: 7 January 2020
The authors wish to make the following corrections to their paper [1]:

1. Change in Main Body

a t = P i _ t a i   ( t = 1 , 2 , 3 , 4 , 5 ) .
In our paper, in Formula (1), the denominator of the formula should be Pi, and not ai. The above-related description in this article is correct but the formula needs to be changed. It is an important step to calculate the ratio of tourist flow, and this is the first step for conducting the following calculation. Otherwise the readers will not get the point of how the results could be reached. So, it is a key placement for us as well as for the readers. For this reason, we would like to replace the above with
a t = P i _ t P i   ( t = 1 , 2 , 3 , 4 , 5 ) .

2. Change in Section 4.2 Title

Please note that the title of Section 4.2 contains a mistake. After we reviewed the academic papers, we found that the word intensity was more generally being used in describing tourist flow. It should be “4.2. Regionalization of Tourist Flow Intensity” instead of “4.2. Regionalization of Tourist Flow Source”.

3. Changes in Figure 2 Legend

Please note that the legend in Figure 2 contains a mistake. After we reviewed the academic papers, we found that the word intensity was more generally being used in describing tourist flow. The legend of Figure 2 should read “Regionalization results of tourist flow intensity. The whole of China is divided into 15 regions, and each division is coded in Roman numerals”, instead of “Regionalization results of tourist flow source. The whole of China is divided into 15 regions, and each division is coded in Roman numerals.”

Reference

  1. Gu, Q.; Zhang, H.; Chen, M.; Chen, C. Regionalization Analysis and Mapping for the Source and Sink of Tourist Flows. ISPRS Int. J. Geo-Inf. 2019, 8, 314. [Google Scholar] [CrossRef]
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