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Remote Sensing Application in Mapping Agricultural Crop Areas and Monitoring Rice Maturity

Received: 17 April 2020     Accepted: 5 May 2020     Published: 19 May 2020
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Abstract

Climate change has evolved in an unpredictable trend and droughts have occurred more and more severely in the central provinces of Vietnam. Determining the irrigated area and water requirement for various crops and the growth stage of each crop is an urgent need as water resources for irrigation are getting scarce year by year. This research examines the application of Sentinel-2 and Sentinel-1 images to map crop areas and identify the current development stage of paddy rice areas. The images are collected and pre-processed from 2017 to 2018 for Ha Tinh Province in Vietnam. The Maximus Likelihood method is used to interpret Sentinel-2 imagery for mapping agricultural crop distribution status. The research presents a new approach for identifying rice maturity using the Sentinel-1 image series. The Overall Accuracy (OA) and Kappa coefficient methods are used to evaluate the generated maps of the agricultural crop’s distribution status. This study shows the relationship between the Sentinel-1 VH band and the growth of rice. From the image bands, we could calculate the slope of the line correlating between the VH backscattering value and the growth time of rice. Along with the local planting schedule, rice life cycle, and simple deduction, we could determine the rice growth stage at each time of image acquisition. The results identifying the rice maturity progression are illustrated for Cam Hoa commune in Cam Xuyen district and Thach Hoi commune in Thach Ha district, Ha Tinh Province.

Published in Science, Technology & Public Policy (Volume 4, Issue 1)
DOI 10.11648/j.stpp.20200401.16
Page(s) 34-43
Creative Commons

This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited.

Copyright

Copyright © The Author(s), 2020. Published by Science Publishing Group

Keywords

Remote Sensing, Map of Agricultural Crop, Rice Maturity

References
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[3] Raziye Hale, Elif, Nebiye. Assessment of classification accuracies of Sentinel-2 and Landsat-8 data for land cover / use mapping. The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, Volume XLI-B8, 2016 XXIII ISPRS Congress, 12–19 July 2016, Prague, Czech Republic.
[4] Neetu* and S. S. Ray. Exploring machine learning classification algorithms for crop classification using Sentinel-2 data. The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, Volume XLII-3/W6, 2019 ISPRS-GEOGLAM-ISRS Joint Int. Workshop on “Earth Observations for Agricultural Monitoring”, 18–20 February 2019, New Delhi, India.
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[6] Tian-Xiang Zhang, Jin-Ya Su, Cun-Jia Liu, Wen-Hua Chen. Potential Bands of Sentinel-2A Satellite for Classification Problems in Precision Agriculture, 2019, Springer. International Journal of Automation and Computing.
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[12] Clauss, K.; Ottinger, M.; Leinenkugel, P.; Kuenzer, C. Estimating rice production in the Mekong Delta, Vietnam, utilizing time series of Sentinel-1 SAR data. Int. J. Appl. Earth Obs. Geoinf. 2018, 73, 574–585.
[13] Lasko, K.; Vadrevu, K. P.; Tran, V. T.; Justice, C. Mapping Double and Single Crop Paddy Rice with Sentinel-1A at Varying Spatial Scales and Polarizations in Hanoi, Vietnam. IEEE J. Sel. Top. Appl. Earth Obs. Remote Sens. 2018, 11, 498–512.
[14] Ndikumana, E.; HoTong Minh, D.; Baghdadi, N.; Courault, D.; Hossard, L. Deep Recurrent Neural Network for Agricultural Classification using multitemporal SAR Sentinel-1 for Camargue, France. Remote Sens. 2018, 10, 1217.
[15] Emile Ndikumana, Dinh Ho Tong Minh, Hai Thu Dang Nguyen, Nicolas Baghdadi, Dominique Courault, Laure Hossard, Ibrahim El Moussawi. Estimation of Rice Height and Biomass Using Multitemporal SAR Sentinel-1 for Camargue, Southern France. Remote Sens. 2018, 10, 1394.
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Cite This Article
  • APA Style

    Nguyen Quoc Hiep, Nguyen Anh Hung, Pham Quang Loi, Pham Thi Thu Hien, Nguyen Duy Khanh. (2020). Remote Sensing Application in Mapping Agricultural Crop Areas and Monitoring Rice Maturity. Science, Technology & Public Policy, 4(1), 34-43. https://doi.org/10.11648/j.stpp.20200401.16

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    ACS Style

    Nguyen Quoc Hiep; Nguyen Anh Hung; Pham Quang Loi; Pham Thi Thu Hien; Nguyen Duy Khanh. Remote Sensing Application in Mapping Agricultural Crop Areas and Monitoring Rice Maturity. Sci. Technol. Public Policy 2020, 4(1), 34-43. doi: 10.11648/j.stpp.20200401.16

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    AMA Style

    Nguyen Quoc Hiep, Nguyen Anh Hung, Pham Quang Loi, Pham Thi Thu Hien, Nguyen Duy Khanh. Remote Sensing Application in Mapping Agricultural Crop Areas and Monitoring Rice Maturity. Sci Technol Public Policy. 2020;4(1):34-43. doi: 10.11648/j.stpp.20200401.16

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  • @article{10.11648/j.stpp.20200401.16,
      author = {Nguyen Quoc Hiep and Nguyen Anh Hung and Pham Quang Loi and Pham Thi Thu Hien and Nguyen Duy Khanh},
      title = {Remote Sensing Application in Mapping Agricultural Crop Areas and Monitoring Rice Maturity},
      journal = {Science, Technology & Public Policy},
      volume = {4},
      number = {1},
      pages = {34-43},
      doi = {10.11648/j.stpp.20200401.16},
      url = {https://doi.org/10.11648/j.stpp.20200401.16},
      eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.stpp.20200401.16},
      abstract = {Climate change has evolved in an unpredictable trend and droughts have occurred more and more severely in the central provinces of Vietnam. Determining the irrigated area and water requirement for various crops and the growth stage of each crop is an urgent need as water resources for irrigation are getting scarce year by year. This research examines the application of Sentinel-2 and Sentinel-1 images to map crop areas and identify the current development stage of paddy rice areas. The images are collected and pre-processed from 2017 to 2018 for Ha Tinh Province in Vietnam. The Maximus Likelihood method is used to interpret Sentinel-2 imagery for mapping agricultural crop distribution status. The research presents a new approach for identifying rice maturity using the Sentinel-1 image series. The Overall Accuracy (OA) and Kappa coefficient methods are used to evaluate the generated maps of the agricultural crop’s distribution status. This study shows the relationship between the Sentinel-1 VH band and the growth of rice. From the image bands, we could calculate the slope of the line correlating between the VH backscattering value and the growth time of rice. Along with the local planting schedule, rice life cycle, and simple deduction, we could determine the rice growth stage at each time of image acquisition. The results identifying the rice maturity progression are illustrated for Cam Hoa commune in Cam Xuyen district and Thach Hoi commune in Thach Ha district, Ha Tinh Province.},
     year = {2020}
    }
    

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  • TY  - JOUR
    T1  - Remote Sensing Application in Mapping Agricultural Crop Areas and Monitoring Rice Maturity
    AU  - Nguyen Quoc Hiep
    AU  - Nguyen Anh Hung
    AU  - Pham Quang Loi
    AU  - Pham Thi Thu Hien
    AU  - Nguyen Duy Khanh
    Y1  - 2020/05/19
    PY  - 2020
    N1  - https://doi.org/10.11648/j.stpp.20200401.16
    DO  - 10.11648/j.stpp.20200401.16
    T2  - Science, Technology & Public Policy
    JF  - Science, Technology & Public Policy
    JO  - Science, Technology & Public Policy
    SP  - 34
    EP  - 43
    PB  - Science Publishing Group
    SN  - 2640-4621
    UR  - https://doi.org/10.11648/j.stpp.20200401.16
    AB  - Climate change has evolved in an unpredictable trend and droughts have occurred more and more severely in the central provinces of Vietnam. Determining the irrigated area and water requirement for various crops and the growth stage of each crop is an urgent need as water resources for irrigation are getting scarce year by year. This research examines the application of Sentinel-2 and Sentinel-1 images to map crop areas and identify the current development stage of paddy rice areas. The images are collected and pre-processed from 2017 to 2018 for Ha Tinh Province in Vietnam. The Maximus Likelihood method is used to interpret Sentinel-2 imagery for mapping agricultural crop distribution status. The research presents a new approach for identifying rice maturity using the Sentinel-1 image series. The Overall Accuracy (OA) and Kappa coefficient methods are used to evaluate the generated maps of the agricultural crop’s distribution status. This study shows the relationship between the Sentinel-1 VH band and the growth of rice. From the image bands, we could calculate the slope of the line correlating between the VH backscattering value and the growth time of rice. Along with the local planting schedule, rice life cycle, and simple deduction, we could determine the rice growth stage at each time of image acquisition. The results identifying the rice maturity progression are illustrated for Cam Hoa commune in Cam Xuyen district and Thach Hoi commune in Thach Ha district, Ha Tinh Province.
    VL  - 4
    IS  - 1
    ER  - 

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Author Information
  • Center for Water Resources Software, Vietnam Academy for Water Resources, Hanoi, Vietnam

  • Center for Water Resources Software, Vietnam Academy for Water Resources, Hanoi, Vietnam

  • Center for Water Resources Software, Vietnam Academy for Water Resources, Hanoi, Vietnam

  • Center for Water Resources Software, Vietnam Academy for Water Resources, Hanoi, Vietnam

  • Center for Water Resources Software, Vietnam Academy for Water Resources, Hanoi, Vietnam

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