Abstract
This paper retrieved the information of cropland and MCI (Multiple Cropping Index) of China in 2000 and 2009 with SPOT NDVI time series data and utilized meteorological data and statistical data released by the state to calculate potential MCI and statistical MCI. Then, the MCI potential of China and grain production potential based on MCI were calculated in order to analyze the potential spatial distribution characteristics of MCI and the potential spatial pattern characteristics. The national mean MCI potentials in 2000 and 2009 are 0.485 and 0.506 respectively calculated with the remote sensing method and statistical method. And the grain productivity potentials of China based on MCI are 51% and 53% respectively. The improvement of MCI potential not only increases hydrothermal utilization rate and the utilization rate of cropland but also enormously enhances the food security degree of China and provides more available cropland area for the economic development.
| Original language | English |
|---|---|
| Title of host publication | Remote Sensing and Modeling of Ecosystems for Sustainability XI |
| Editors | Jinnian Wang, Ni-Bin Chang, Wei Gao |
| Publisher | SPIE |
| ISBN (Electronic) | 9781628412482 |
| DOIs | |
| State | Published - 2014 |
| Externally published | Yes |
| Event | Remote Sensing and Modeling of Ecosystems for Sustainability XI - San Diego, United States Duration: 18 Aug 2014 → 20 Aug 2014 |
Publication series
| Name | Proceedings of SPIE - The International Society for Optical Engineering |
|---|---|
| Volume | 9221 |
| ISSN (Print) | 0277-786X |
| ISSN (Electronic) | 1996-756X |
Conference
| Conference | Remote Sensing and Modeling of Ecosystems for Sustainability XI |
|---|---|
| Country/Territory | United States |
| City | San Diego |
| Period | 18/08/14 → 20/08/14 |
UN SDGs
This output contributes to the following UN Sustainable Development Goals (SDGs)
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SDG 2 Zero Hunger
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SDG 8 Decent Work and Economic Growth
Keywords
- Change of cropland
- China
- Grain production potential
- MCI
- Time series data
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