Agro-ecological zonation of Uttarakhand using geo-spatial techniques

Bisht, Himani; GAUTUM, SHWETA; PURANIK, HARSHVARDHAN; Nain, A. S.

doi:10.56093/ijas.v89i11.95291

Cited by 3 publications

(2 citation statements)

References 10 publications

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“…Other studies [36][37][38] have applied the length of growing season as an additional criterion for ACZs classification. The growing season defines the period of the year when both moisture and temperature conditions are suitable for crop production [37].…”

Section: Plos Climatementioning

confidence: 99%

Revisiting the agro-climatic zones of Ghana: A re-classification in conformity with climate change and variability

et al. 2023

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The Ghana Meteorological Agency delineated Ghana’s geographical space into four agro-climatic zones namely the north, transition, forest and coastal zones. Since the demarcation in the 1960s, previous studies have rarely provided a more dis-aggregated agro-climatic zone map in tandem with contemporary climate change and variability. The continued use of this age-old classified zones is a disservice to the public. In this study, therefore, we evaluated the existing agro-climatic zone map of Ghana and reconstructed it to a more appropriate and dis-aggregated map that reflect current climate change and variability impact. This was achieved by quantifying the contrast in rainfall and temperature amount over a 30 year period for different climate windows and mapped out areas with similar rainfall and temperature regimes. Our findings revealed significant changes in the existing agro-climatic zones especially in terms of number, the boundary size and geographical orientation of the zones. The newly proposed map consist of five distinctive climate zones namely: the Sudan Savannah, Guinea Savannah, Transition, Forest and Coastal zones. The Sudan and Guinea Savannah zones showed a southerly expansion. The transition zone shriveled in size as the Guinea Savannah zone took over most of it, notably in the southeast. The forest zone shrank in size with a northwest shift while the coastal belt grew to encompass the whole coast of Ghana. These changes are strong evidence of climate change and possible food production changes. These findings are useful to agriculture sector in planning their activities, the health sector in predicting specific diseases caused by changes in weather and climate, Ghana Meteorological Agency for weather forecasting purposes, and the National Disaster Management in identifying disaster prone zones.

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Section: Plos Climatementioning

confidence: 99%

Revisiting the agro-climatic zones of Ghana: A re-classification in conformity with climate change and variability

et al. 2023

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“…The thematic layers of various input parameters namely temperature, rainfall, relative humidity, texture, drainage, soil pH, OC, EC, depth etc. along with spatial inputs derived from RS data, and can be incorporated in GIS (Bisht et al 2019, Shaloo et al 2021 for cropland suitability classification (Perveen et al 2007).…”

Section: Tools and Techniques Used For Cropland Suitabilitymentioning

confidence: 99%

Cropland suitability assessment using multi criteria evaluation techniques and geo-spatial technology: A review

et al. 2022

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Cropland suitability assessment is an essential technique for agricultural development and future planning. It is an evaluation to determine how suitable the land is for growing a specific crop in a particular region based on multiple parameters like soil, climate, topography, socio-economic condition, infrastructure, irrigation, existing land use/land cover and environmental aspects. The paper presents different multi-criteria evaluation (MCE) techniques such as Analytical Hierarchy Process (AHP), Fuzzy Analytical Hierarchy Process (FAHP), Analytic Network Process (ANP), Technique for Order of Preference by Similarity to Ideal Solution (TOPSIS) and ELimination Et Choice Translating REality (ELECTRE) approaches integrated with geospatial technology, namely remote sensing and Geographical Information System for cropland suitability assessment. Review findings indicate that the AHP technique was used by53% of the researchers, followed by FAHP (16%); ANP (6%); TOPSIS (6%); ELECTRE (3%) and other techniques (16%) with or without geospatial technology. The integrated approach of MCE with geospatial was used by 69%, among which AHP technique of MCE was used by 72%; whereas, 22% used geospatial and 9% used MCE techniques alone. The results from the selected research articles also indicated that the most important input parameters were soil, topography and climate used by 97%, 88% and 74% of the researchers, respectively. The review can be helpful for researchers and decision-makers to select the most robust methods and standard parameters required for cropland suitability assessment to achieve higher agricultural production on a sustained basis.

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Revisiting The Agro-Climatic Zones Of Ghana: A Re-Classification In Conformity With Climate Change And Variability

Yamba

Aryee

Quansah

et al. 2022

Preprint

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The Ghana Meteorological Agency delineated Ghana's geographical space into four agroclimatic zones namely the north, transition, forest and coastal zones. Since the demarcation in the 1960s, previous studies have rarely provided a more dis-aggregated agro-climatic zone map in tandem with contemporary climate change and variability. The continued use of this age-old classified zones is a disservice to the public. In this study, therefore, we evaluated the existing agro-climatic zone map of Ghana and reconstructed it to a more appropriate and dis-aggregated map that reflect current climate change and variability impact. This was achieved by quantifying the contrast in rainfall and temperature amount over a 30 year period for different climate windows and mapped out areas with similar rainfall and temperature regimes. Our findings revealed significant changes in the existing agro-climatic zones especially in terms of number, the boundary size and geographical orientation of the zones. The newly proposed map consist of five distinctive climate zones namely: the Sudan Savannah, Guinea Savannah, Transition, Forest and Coastal zones. The Sudan and Guinea Savannah zones showed a southerly expansion. The transition zone shriveled in size as the Guinea Savannah zone took over most of it, notably in the southeast. The forest zone shrank in size with a northwest shift while the coastal belt grew to encompass the whole coast of Ghana. These changes are strong evidence of climate change and possible food production changes. These findings are useful to agriculture sector in planning their activities, the health sector in predicting specific diseases caused by changes in weather and climate, Ghana Meteorological Agency for weather forecasting purposes, and the National Disaster Management in identifying disaster prone zones.

show abstract

Agro-ecological zonation of Uttarakhand using geo-spatial techniques

Cited by 3 publications

References 10 publications

Revisiting the agro-climatic zones of Ghana: A re-classification in conformity with climate change and variability

Revisiting the agro-climatic zones of Ghana: A re-classification in conformity with climate change and variability

Cropland suitability assessment using multi criteria evaluation techniques and geo-spatial technology: A review

Revisiting The Agro-Climatic Zones Of Ghana: A Re-Classification In Conformity With Climate Change And Variability

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