Remote sensing of rice-based irrigated agriculture: a review

Remote sensing of rice-based irrigated agriculture: a review

Tom G. Van Niel^1,2 and Tim R. McVicar¹

¹CSIRO Land and Water, PO Box 1666 Canberra, ACT 2601 email: thomas.van.niel@cbr.clw.csiro.au tim.mcvicar@cbr.clw.csiro.au http://www.cbr.clw.csiro.au/²Cooperative Research Centre for Sustainable Rice Production C/- Yanco Agricultural Institute
PMB Yanco, NSW 2703 email: thomas.van.niel@cbr.clw.csiro.au http://www.ricecrc.org

table of contents

1 Introduction 1 1

2 Background of Remote Sensing 2 2

2.1 Reflective Remote Sensing 4 4

2.2 Microwave Remote Sensing 11 11

2.3 Thermal Remote Sensing 12 12

2.4 Integrating Remote Sensing with other Data Types in a Geographic Information System (GIS) 13 13

3 Remote Sensing in Rice-Based Agriculture 15 15

3.1 Crop Type Identification 17 17

3.2 Crop Area Measurement 21 21

3.3 Crop Yield 22 22

3.4 Crop Damage 24 24

3.5 Water Use and ma Mapping 26 26

3.6 Water Use Efficiency 28 28

4 Limitations of Remote Sensing in Rice-Based Agriculture 31 31

4.1 Data Availability 32 32

4.2 Length of Recording Period 32 32

4.3 Limited Predictive Capability 32 32

4.4 Requirement of Expertise and Computer Facilities 33 33

4.5 Cost 33 33

5 Conclusions 34 34

6 Acknowledgements 35 35

7 References 35 35