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Classifying Individual Shrub Species in UAV Images—A Case Study of the Gobi Region of Northwest China
shrub species classification unmanned aerial vehicle RGB image object-based image analysis spectral indices texture indices
2023/12/5
Shrublands are the main vegetation component in the Gobi region and contribute considerably to its ecosystem. Accurately classifying individual shrub vegetation species to understand their spatial dis...
LONG-TERM REMOTE MONITORING OF THREE TYPICAL LAKE AREA VARIATIONS IN THE NORTHWEST CHINA OVER THE PAST 40 YEARS
Inland of Northwest China Lakes Lake area change Landsat Dynamic monitoring
2018/5/15
water resources management and sustainable development strategy, but also provide reference for assessing the impact of climate change and human activities. This paper selects three inland lakes in No...
Mineral composition and organic geochemistry of the Lower Cretaceous Xiagou Formation source rock from the Qingxi Sag, Jiuquan Basin, Northwest China
Mineral composition Geochemistry Source rock Xiagou Formation Qingxi Sag Jiuquan Basin
2018/4/2
The Lower Cretaceous Xiagou Formation contains the major source rocks for the crude oils discovered in the Qingxi Sag and the South Uplift in the Jiuquan Basin, northwestern China. The Xiagou Formatio...
Poverty and Proximate Barriers to Learning: Vision Deficiencies,Vision Correction and Educational Outcomes in Rural Northwest China
China Children Education Vision Health Developing countries Poverty Eyeglasses
2016/3/18
Few studies of educational barriers in developing countries have investigated the role of children’s vision problems, despite the self-evident challenge that poor vision poses to classroom learning an...
GROUNDWATER LEVEL MONITORING MODEL USING MULTI-TEMPORAL IMAGES IN ARID REGION OF NORTHWEST CHINA
Hydrology Ecological Environment Multi-temporal Images Model Monitoring
2015/12/28
For the frangible ecological environment, it is very important to reasonably develop and utilize groundwater resources in Northwest China. Shallow groundwater level is an essential factor related to t...
A satellite remote sensing based assessment of urban heat island in Lanzhou city , northwest China
Land surface temperature Vegetation fraction NDVI Urban heat island Remote sensing
2015/8/3
As a promising application, quantitative remote sensing of urban heat island (UHI) could facilitate our understanding of urban/suburban environment and its relationship with urbanization. This paper i...
Analysis of land cover change and its driving forces in a desert oasis landscape of Xinjiang, northwest China
Drought warming land cover extreme drought desert oasis the landsat images traditional vegetation
2015/1/6
The combined effects of drought, warming and the changes in land cover have caused severe land degradation for several decades in the extremely arid desert oases of southern Xinjiang, northwest China....
Does migration benefit the schooling of children left behind?: Evidence from rural northwest China
child education China migration remittances
2014/11/25
Background: While many studies have found that migration can benefit home communities and family members left behind by increasing household income, thus easing liquidity constraints on investment; le...
Community Service, Social Responsibility and Educational Performance in Rural China's Middle Schools: Evidence from a Case Study of Northwest China
Community Service Social Responsibility Educational Performance Rural China's Middle Schools Northwest China
2014/3/13
The overall goal of this paper is to try to understand in the context China’s middle school education system what is the tradeoff between community service and educational performance. In addition, we...
Progress and Prospect of Extreme Climate Events in Arid Northwest China
Climatic Change Extreme Climatic Events
2013/3/11
Extreme climate events have significant influences on ecological systems and social economic systems. The global climate is becoming warmer and warmer, so extreme climate events will probably increase...
The effects of clouds and aerosols on net ecosystem CO2 exchange over semi-arid Loess Plateau of Northwest China
clouds and aerosols net ecosystem CO2 exchange semi-arid Loess Plateau of Northwest China
2010/9/14
The impacts of clouds and atmospheric aerosols on the terrestrial carbon cycle at semi-arid Loess Plateau in Northwest China are investigated, by using the observation data obtained at the SACOL (Semi...
Dust aerosol effect on semi-arid climate over Northwest China detected from A-Train satellite measurements
Dust aerosol effect semi-arid climate Northwest China A-Train satellite measurements
2010/8/16
The impact of dust aerosols on the semi-arid climate of Northwest China is analyzed by comparing aerosol and cloud properties derived over the China semi-arid region (hereafter, CSR) and the United St...
Effect of drought on water use efficiency, agronomic traits and yield of spring wheat landraces and modern varieties in Northwest China
Landrace leaf-level water use efficiency
2011/1/11
A pot experiment with five typical landraces (Heshangtou, Hongnong No. 1, Dingxi 24, Damaizi and Jieba), three modern varieties (Qingchun 533, Plateau 602 and Abbondanza) and two water levels was carr...
Water resources assessment in the Minqin Basin: an arid inland river basin under intensive irrigation in northwest China
Groundwater flow Numerical modeling Human activity Minqin Basin Northwest China
2013/9/2
The Minqin Basin is at the lower reach of the Shiyang River of Gansu province in northwest China.Dramatic decline in groundwater level has resulted from over-abstraction of groundwater since the late ...
Tooth wear and dental pathology of the Bronze–Iron Age people in Xinjiang, Northwest China: Implications for their diet and lifestyle
Age people Xinjiang lifestyle
2014/3/26
ooth wear and dental pathology related to diet and lifestyle were
investigated in the human dental remains unearthed from three
archaeological sites of Bronze Age and Iron Age in Xinjiang of
northw...