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Mapping of Central Pivot Irrigation in the Hydrographic Basin of the Goiano Tributaries of the Araguaia River

Author

Listed:
  • Franciele de Freitas Silva
  • Adriana Rodolfo da Costa
  • Pedro Rogerio Giongo
  • Luciane de Souza Pereira
  • Wagner de Freitas Silva
  • Thomas Jefferson Cavalcante
  • Victor Hugo Moraes
  • Bruno Henrique Tondato Arantes
  • Janyne Moura dos Santos

Abstract

The use of irrigation has expanded and favored agricultural productivity in recent years. The mapping through remote sensing has contributed to the monitoring of irrigated areas. In this sense, the objective of this study was to evaluate the central pivotal evolution in terms of location by municipalities, micro basins, soils and slope in the Goian tributary watershed of the Araguaia River State of Goiás. Data were available between 2000 and 2016. Irrigated areas were surveyed through the database available in the Geographical Information System of the State of Goiás (SGEI). The vector and raster data were manipulated using the Qgis v software. 2.18.26 (QGIS Development, 2019). The pivots were counted through the statistical function of the software. From the shape SGEI available in the soil map of classes is generated by categorizes tion of soil types. The declivity map was generated from raster files acquired through the Brazilian Geo morphological Database (INPE, 2017). The slope classes (%) were extracted with slope tool. There is an increase of more than 95% in the number of pivots and irrigated area between the years 2000 and 2016. The central pivots are more concentrated in the central region of the Red and Red-Light basins. The highest concentration of central pivots occurred in the municipality of Jussara. The pivots are located predominantly in an Oxisol area with a slope of 3 to 13%.

Suggested Citation

  • Franciele de Freitas Silva & Adriana Rodolfo da Costa & Pedro Rogerio Giongo & Luciane de Souza Pereira & Wagner de Freitas Silva & Thomas Jefferson Cavalcante & Victor Hugo Moraes & Bruno Henrique To, 2019. "Mapping of Central Pivot Irrigation in the Hydrographic Basin of the Goiano Tributaries of the Araguaia River," Journal of Agricultural Science, Canadian Center of Science and Education, vol. 11(14), pages 1-65, September.
    • Handle: RePEc:ibn:jasjnl:v:11:y:2019:i:14:p:65
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    JEL classification:

    • R00 - Urban, Rural, Regional, Real Estate, and Transportation Economics - - General - - - General
    • Z0 - Other Special Topics - - General

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