Evaluation of changes in climatic indices using combined analysis of remote sensing and GIS

K. Okamoto; Masayuki Yokosawa; H. Kawashima

doi:10.1109/ICII.2001.982734

Evaluation of changes in climatic indices using combined analysis of remote sensing and GIS

K. Okamoto, Masayuki Yokosawa, H. Kawashima

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Abstract

We predicted the future conditions of places in which major cereals are cultivated using satellite remote sensing data in combination with spatial analysis as provided by geographical information systems (GIS). The open policy and economic reform have significantly accelerated economic growth of mainly in the coastal regions of China. Economic growth in China will change the diet and will increase cereal demand. As a case study, we predicted the trend of major cereal production in China in the 21st century. We also predicted the agricultural productivity of existing fields cropped with major cereals based on climatic indices, i.e., the net primary productivity (NPP) and the balance between precipitation and potential evapotranspiration (P-PET), from the present to 2090s. The agricultural productivity in central, northern and northeastern China will increase as a result of an increase in the NPP, while that in southern China will not. The agricultural productivity in western China will decline as a result of a decrease in P-PET. Desertification will be a problem in these regions. The result of this study suggests that combined analysis of satellite remote sensing and GIS data is effective for use in a comparative study of the present and the future conditions.

Original language	English
Title of host publication	2001 International Conferences on Info-Tech and Info-Net
Subtitle of host publication	A Key to Better Life, ICII 2001 - Proceedings
Publisher	Institute of Electrical and Electronics Engineers Inc.
Pages	133-138
Number of pages	6
Volume	1
ISBN (Electronic)	0780370104, 9780780370104
DOIs	https://doi.org/10.1109/ICII.2001.982734
Publication status	Published - 2001
Externally published	Yes
Event	International Conferences on Info-Tech and Info-Net, ICII 2001 - Beijing, China Duration: 2001 Oct 29 → 2001 Nov 1

Other

Other	International Conferences on Info-Tech and Info-Net, ICII 2001
Country/Territory	China
City	Beijing
Period	01/10/29 → 01/11/1

Keywords

Cereal
China
Climatic Index
Combined Analysis
Productivity

ASJC Scopus subject areas

Artificial Intelligence
Computer Networks and Communications
Computer Science Applications
Signal Processing
Computers in Earth Sciences
Control and Systems Engineering
Instrumentation

Access to Document

10.1109/ICII.2001.982734

Cite this

Okamoto, K., Yokosawa, M., & Kawashima, H. (2001). Evaluation of changes in climatic indices using combined analysis of remote sensing and GIS. In 2001 International Conferences on Info-Tech and Info-Net: A Key to Better Life, ICII 2001 - Proceedings (Vol. 1, pp. 133-138). [982734] Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1109/ICII.2001.982734

Evaluation of changes in climatic indices using combined analysis of remote sensing and GIS. / Okamoto, K.; Yokosawa, Masayuki; Kawashima, H.

2001 International Conferences on Info-Tech and Info-Net: A Key to Better Life, ICII 2001 - Proceedings. Vol. 1 Institute of Electrical and Electronics Engineers Inc., 2001. p. 133-138 982734.

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Okamoto, K, Yokosawa, M & Kawashima, H 2001, Evaluation of changes in climatic indices using combined analysis of remote sensing and GIS. in 2001 International Conferences on Info-Tech and Info-Net: A Key to Better Life, ICII 2001 - Proceedings. vol. 1, 982734, Institute of Electrical and Electronics Engineers Inc., pp. 133-138, International Conferences on Info-Tech and Info-Net, ICII 2001, Beijing, China, 01/10/29. https://doi.org/10.1109/ICII.2001.982734

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AB - We predicted the future conditions of places in which major cereals are cultivated using satellite remote sensing data in combination with spatial analysis as provided by geographical information systems (GIS). The open policy and economic reform have significantly accelerated economic growth of mainly in the coastal regions of China. Economic growth in China will change the diet and will increase cereal demand. As a case study, we predicted the trend of major cereal production in China in the 21st century. We also predicted the agricultural productivity of existing fields cropped with major cereals based on climatic indices, i.e., the net primary productivity (NPP) and the balance between precipitation and potential evapotranspiration (P-PET), from the present to 2090s. The agricultural productivity in central, northern and northeastern China will increase as a result of an increase in the NPP, while that in southern China will not. The agricultural productivity in western China will decline as a result of a decrease in P-PET. Desertification will be a problem in these regions. The result of this study suggests that combined analysis of satellite remote sensing and GIS data is effective for use in a comparative study of the present and the future conditions.

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KW - Productivity

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Evaluation of changes in climatic indices using combined analysis of remote sensing and GIS

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Keywords

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