Estimating non-productive water loss in irrigated farmland in arid oasis regions: Based on stable isotope data

Agricultural Water Management, Год журнала: 2023, Номер 289, С. 108515 - 108515

Опубликована: Сен. 25, 2023

In arid oasis regions, water resources are severely scarce, with agricultural usage far exceeding that of more humid areas. As a result, assessing non-productive losses in farmland becomes crucial for estimating the requirements reliant on irrigation cultivation. From April 2018 to October 2021, we established an observation system Minqin Oasis farmland. By utilizing hydrogen and oxygen isotopes precipitation, soil water, maize stem xylem quantified loss (FE) infiltration rate (fe) fields. Our findings indicate: (1) The average from rainfall fields were 39 %, peak reaching 58 %; (2) Non-productive due evapotranspiration mainly observed June July, while predominantly occurred April-May August-September; (3) Crop capacity emerged as significant factor influencing evaporation losses, individual amounts determined losses. We believe judiciously managing volume adjusting strategies farmlands could unlock substantial potential conserving resources.

Язык: Английский

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Soil moisture plays an increasingly important role role in constraining vegetation productivity in China over the past two decades

Agricultural and Forest Meteorology, Год журнала: 2024, Номер 356, С. 110193 - 110193

Опубликована: Авг. 14, 2024

Язык: Английский

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Vegetation canopy structure mediates the response of gross primary production to environmental drivers across multiple temporal scales

The Science of The Total Environment, Год журнала: 2024, Номер 917, С. 170439 - 170439

Опубликована: Янв. 26, 2024

Язык: Английский

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Drought offsets the vegetation greenness-induced gross primary productivity from 1982 to 2018 in China

Journal of Hydrology, Год журнала: 2024, Номер 632, С. 130881 - 130881

Опубликована: Фев. 16, 2024

Язык: Английский

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Drought propagation and its driving forces in central Asia under climate change

Journal of Hydrology, Год журнала: 2024, Номер 636, С. 131260 - 131260

Опубликована: Апрель 28, 2024

Язык: Английский

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Incorporation crisis lifecycle theory into full-stage flash drought spatio-temporal pattern identification and risk analysis

Journal of Hydrology, Год журнала: 2024, Номер 642, С. 131828 - 131828

Опубликована: Авг. 17, 2024

Язык: Английский

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Advanced soil conservation for African drylands: from erosion models to management theories

Pedosphere, Год журнала: 2025, Номер unknown

Опубликована: Янв. 1, 2025

Язык: Английский

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Response of Vegetation to Drought in the Source Region of the Yangtze and Yellow Rivers Based on Causal Analysis

Remote Sensing, Год журнала: 2024, Номер 16(4), С. 630 - 630

Опубликована: Фев. 8, 2024

The vegetation and ecosystem in the source region of Yangtze River Yellow (SRYY) are fragile. Affected by climate change, extreme droughts frequent permafrost degradation is serious this area. It very important to quantify drought–vegetation interaction area under influence climate–permafrost coupling. In study, based on saturated vapor pressure deficit (VPD) soil moisture (SM) that characterize atmospheric drought, as well Normalized Differential Vegetation Index (NDVI) solar-induced fluorescence (SIF) greenness function, evolution regional productivity drought were systematically identified. On basis, technical advantages causal discovery algorithm Peter–Clark Momentary Conditional Independence (PCMCI) applied distinguish response VPD SM. Furthermore, study delves into mechanisms NDVI SIF considering different types areas. findings indicated low SM high limiting factors for growth. positive negative effects accounted 47.88% 52.12% total area, respectively. Shrubs most sensitive SM, speed grassland was faster than forest land. impact SRYY stronger VPD, effect frozen more obvious. average 0.21 0.41, respectively, which twice those whole dominated changes 62.87% (76.60%) research results can provide scientific basis theoretical support assessment adaptation permafrost, vegetation, change reference ecological protection regions.

Язык: Английский

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Grassland productivity in arid Central Asia depends on the greening rate rather than the growing season length

The Science of The Total Environment, Год журнала: 2024, Номер 933, С. 173155 - 173155

Опубликована: Май 11, 2024

Язык: Английский

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Dual effects on vegetation from urban expansion in the drylands of northern China: A multiscale investigation using the vegetation disturbance index

The Science of The Total Environment, Год журнала: 2024, Номер 928, С. 172481 - 172481

Опубликована: Апрель 16, 2024

Язык: Английский

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