The Science of The Total Environment, Год журнала: 2024, Номер 947, С. 174421 - 174421
Опубликована: Июль 6, 2024
Язык: Английский
Journal of Environmental Management, Год журнала: 2024, Номер 351, С. 119963 - 119963
Опубликована: Янв. 2, 2024
Язык: Английский
Процитировано
26
npj Climate and Atmospheric Science, Год журнала: 2025, Номер 8(1)
Опубликована: Янв. 20, 2025
Язык: Английский
Процитировано
2
Earth s Future, Год журнала: 2023, Номер 11(9)
Опубликована: Сен. 1, 2023
Abstract As the Earth's Third Pole and Asian water tower, Qinghai‐Tibet Plateau (QTP) plays a key role in global climate regulation biodiversity maintenance. Living harmony with nature is vital for local sustainable development. Current research on conflicted or coordinated relationship between humans QTP at fine spatial scale remains limited. To fill gap, we developed human activity intensity index (HAI) eco‐environmental quality (EQI) 1‐km resolution proposed four‐quadrant diagram approach to explore dynamics them. The results show development as HAI EQI both increased from 2000 2020, ratio of areas was 5:1. High were mainly big cities such Xining, Lhasa, Haidong, Xigaze, along traffic lines. significant outside Lhasa metropolitan, south Hengduan Mountains, some new roads, reduced by 8% 2000–2010 2010–2020. area high but low smallest proportion, southern Qinghai Lake, Brahlung Zangbo River, Gobi oases, western transport lines, it implies highest risk ecosystem degradation. This expands fundamental methodology address complex human‐natural relationships provides implications fragile ecosystems.
Язык: Английский
Процитировано
41
Scientific Data, Год журнала: 2023, Номер 10(1)
Опубликована: Фев. 2, 2023
Abstract Grazing intensity, characterized by high spatial heterogeneity, is a vital parameter to accurately depict human disturbance and its effects on grassland ecosystems. census data provide useful county-scale information; however, they do not delineate heterogeneity within counties, high-resolution dataset urgently needed. Therefore, we built methodological framework combining the cross-scale feature extraction method random forest model spatialize after fully considering four features affecting grazing, produced gridded grazing Qinghai–Tibet Plateau in 1982–2015. The proposed (R 2 = 0.80) exhibited 35.59% higher accuracy than traditional method. Our were highly consistent with of 0.96, NSE temporal 0.96) field 0.77). Compared public datasets, our featured resolution (1982–2015) (over two times higher). Thus, it has potential elucidate spatiotemporal variation activities guide sustainable management ecosystem.
Язык: Английский
Процитировано
24
Resources Conservation and Recycling, Год журнала: 2024, Номер 215, С. 108054 - 108054
Опубликована: Дек. 12, 2024
Язык: Английский
Процитировано
15
Journal of Hydrology, Год журнала: 2024, Номер 632, С. 130881 - 130881
Опубликована: Фев. 16, 2024
Язык: Английский
Процитировано
11
Forests, Год журнала: 2025, Номер 16(1), С. 142 - 142
Опубликована: Янв. 14, 2025
Fractional vegetation cover (FVC) is an important indicator of regional ecological environment change, and quantitative research on the spatial temporal distribution FVC trend change great significance to monitoring, evaluation, protection, restoration ecology. This study estimates eastern Tibetan Plateau margin from 2000 2020 using image element dichotomous model based Google Earth Engine platform MODIS-NDVI images. It also investigates changes in this region its drivers Theil–Sen Mann–Kendall tests, autocorrelation analysis, geodetector, machine learning approaches impact. The results indicated a generally erratic rising tendency, with Min River Basin (MRB) near tip having annual average 0.67 growth rate 0.16%. percentage places better reached 60.37%. showed significant positive was clustered. Driver analyses that soil type, DEM, temperature, potential evapotranspiration, land use type were main influencing Plateau. In addition, random forest (RF) outperformed support vector (SVM), backpropagation neural network (BP), long short-term memory (LSTM) regression fitting. summary, shows overall upward trend, has improved significantly over past two decades.
Язык: Английский
Процитировано
1
Journal of Lake Sciences, Год журнала: 2025, Номер 37(1), С. 318 - 327
Опубликована: Янв. 1, 2025
Язык: Английский
Процитировано
1
Hydrology and earth system sciences, Год журнала: 2025, Номер 29(2), С. 485 - 506
Опубликована: Янв. 23, 2025
Abstract. Water vapour flux, expressed as evapotranspiration (ET), is critical for understanding the earth climate system and complex heat–water exchange mechanisms between land surface atmosphere in high-altitude Tibetan Plateau (TP) region. However, performance of ET products over TP has not been adequately assessed, there still considerable uncertainty magnitude spatial variability water released from into atmosphere. In this study, we evaluated 22 against situ observations basin-scale balance estimations. This study also spatiotemporal total flux its components to clarify TP. The results showed that remote sensing high-resolution global data ETMonitor PMLV2 had a high accuracy, with overall better accuracy than other regional fine resolution (∼ 1 km), when comparing observations. When compared estimates at basin scale, finer GLEAM TerraClimate coarse good agreement. Different different patterns variability, large differences central western multi-year multi-product mean was 333.1 mm yr−1, standard deviation 38.3 yr−1. (i.e. plant transpiration, soil evaporation, canopy rainfall interception open-water snow/ice sublimation) available some were compared, contribution these varied considerably, even cases where similar. Soil evaporation accounts most TP, followed by transpiration while contributions sublimation cannot be negligible.
Язык: Английский
Процитировано
1
Environmental Research, Год журнала: 2025, Номер unknown, С. 120959 - 120959
Опубликована: Янв. 1, 2025
Язык: Английский
Процитировано
1