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Spatial and Tempora...
Spatial and Temporal Variations in the Potential Yields of Highland Barley in Relation to Climate Change in Three Rivers Region of the Tibetan Plateau from 1961 to 2020
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Liu, J. D. (author)
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Du, J. (author)
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Liu, D. L. (author)
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- Linderholm, Hans W., 1968 (author)
- Gothenburg University,Göteborgs universitet,Institutionen för geovetenskaper,Department of Earth Sciences
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Zhou, G. S. (author)
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Song, Y. L. (author)
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Shen, Y. B. (author)
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Yu, Q. (author)
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(creator_code:org_t)
- 2022-06-24
- 2022
- English.
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In: Sustainability. - : MDPI AG. - 2071-1050. ; 14:13
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https://gup.ub.gu.se...
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https://doi.org/10.3...
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Abstract
Subject headings
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- Spatial and temporal variations in the potential yields of highland barley is important for making policies on adaptation of agriculture to climate change in the Three Rivers Region (TRR), one of the main highland barley growing areas on the Tibetan Plateau. This research tries to explore a suitable strategy for simulating potential yields of highland barley by the WOFOST (WOrld FOod STudies) crop growth model, and further to identify variations in climate conditions and potential yields in TRR from 1961 to 2020 for making policies on adaptation of agricultural production to the climate change impacts on the Tibetan Plateau. Validation results indicated that WOFOST could accurately simulate the potential yields of highland barley with the global radiation estimated by the calibrated Angstrom model. The global radiation during the growth periods decreased at a rate of 0.047 MJ/m(2)a, while the temperature during the growth periods increased at rates ranging from 0.019 to 0.087 degrees C/a, which was greater than the average warming rate of the globe. The simulated potential yields ranged from 10,300 to 14,185 kg/ha in TRR, with an average decreasing rate of 28 kg/ha/a. The decrease in the potential yields was mainly attributed to the shortened critical period caused by warming effects, so cultivation of new varieties of highland barley with longer growth periods is suggested as an achievable strategy for the adaptation of highland barley to climate change in TRR.
Subject headings
- NATURVETENSKAP -- Geovetenskap och miljövetenskap -- Klimatforskning (hsv//swe)
- NATURAL SCIENCES -- Earth and Related Environmental Sciences -- Climate Research (hsv//eng)
- NATURVETENSKAP -- Geovetenskap och miljövetenskap -- Meteorologi och atmosfärforskning (hsv//swe)
- NATURAL SCIENCES -- Earth and Related Environmental Sciences -- Meteorology and Atmospheric Sciences (hsv//eng)
Keyword
- WOFOST crop model
- potential yield
- highland barley
- Tibetan Plateau
- climate change
- global radiation models
- winter-wheat
- solar-radiation
- maize yield
- crop growth
- wofost
- china
- water
- agriculture
- impacts
- Science & Technology - Other Topics
- Environmental Sciences & Ecology
Publication and Content Type
- ref (subject category)
- art (subject category)
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