176 Result(s)
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Article
Sediment discharge of the Huanghe River and its effect on sedimentation of the Bohai Sea and the Yellow Sea
The Huanghe (Yellow) River, with annual sediment discharge about 11×108tons, contributes about 17% of the fluvial sediment discharge of world’s 21 major rivers to the ocean because its middle reaches flow across ...
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The features of sea-ice cover, snow distribution and its densification in the central arctic ocean
Based on the observation of sea-ice cover and measurement of snow depths and stratigraphy during China’s First North Pole Scientific Expedition, three types of surface topography of sea ice and correspondingly...
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Article
The present situation, types and changes of China’s environment
Based on development level of regional society and economy, the paper attempts to analyze the present situation, types and change of regional environment in China through the definition of four conceptions env...
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Article
Urban regional structures transformation and sustainable development: Case study of Nan**g megalopolis
Since 1978, many changes have happened on the background of urban regional structure in China, such as the economy system restructuring, the social transforming including the population flow accelerating and s...
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Article
A new method for comprehensive division of mountainous area: taking Huaihua City as an example
This paper summarizes principles and measures of comprehensive division of mountainous areas, as well as clarifies meaning, structure, function and path established for the map and file information visibility ...
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Article
Straight river: its formation and speciality
Straight river is generally regarded as one of the typical river patterns in conventional classifications in terms of their channel plain landforms. However, very few straight patterns were found to be distrib...
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Article
Temperature variation and its driving forces over the Antarctic coastal regions in the past 250 years
By comparing the oxygen isotopic temperatures recorded by many shallow ice cores from the coastal regions of Antarctica, this paper presents the special characteristics of the temperature variations over the A...
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Article
Study on the framework system of digital agriculture
China is a great agricultural country with large population, limited soil resources and traditional farming mode, so the central government has been attaching great importance to the development of agriculture...
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The value of vegetation ecosystem services: A case of Qinling-Daba Mountains
According to differences in vegetation types and their coverage, combining the latest research, using theory and method on the value of vegetation ecosystem services, this paper not only calculated goods produ...
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Article
Net water vapour exchange over a mixed needle and broad-leaved forest in Changbai Mountain during autumn
Water vapour and CO2 fluxes were measured by the eddy-covariance technique above a mixed needle and broad-leaved forest with affiliated meteorological measurements in Changbai Mountain as part of China’s FLUX pro...
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Article
Conversion rates of surface HOx radicals in Bei**g City
Surface OH radical concentration in Bei**g City was measured by impregnated filter trap** technique-high performance liquid chromatography (IFT-HPLC). The observed concentration of OH radical showed obvious...
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Article
The climatic and environmental features on both sides of the Lambert Glacier Basin
During the 1992–1993 joint Australian-Chinese over-snow traverse of the western Lambert Glacier Basin (LGB), two firn cores were drilled respectively at MGA and LGB16. During the 1996–1997 and 1997–1998 austra...
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Article
Double-epoch algorithm in rapid positioning using single frequency GPS receivers
A new algorithm, called as Double-Epoch Algorithm (DEA) is proposed in GPS rapid positioning using two epoch single frequency phase data in this paper. Firstly, the structure characteristic of the normal matri...
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Article
Necessity and method of public participation in strategic environmental assessment of China
Public participation has been one of important problems in the strategic environmental assessment (SEA). In this paper, the origin and the present research-conditions of public participation in SEA were analyz...
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Article
Change of geographic information service model in mobile context
A research on that how the topic of mobility, which is completely different but tightly relevant to space, provides new approaches and methods so as to promote the further development of geographic information...
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Chapter
The 3D Fusion and Visualization of Phototopographic Data
At first, the concept of T-collinear equation is explained in this paper. Based on T-collinear equation the rules and mathematic model for 3D registration and 3D reconstruction are put forward. The computation...
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Article
Spatial and temporal variations and controlling factors of potential evapotranspiration in China: 1956–2000
Based on the climatic data of 580 stations in China during 1956 and 2000, potential evapotranspiration are calculated using the Penman-Monteith Method recommended by FAO. The spatial and temporal distributions...
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Article
250 years of accumulation, oxygen isotope and chemical records in a firn core from Princess Elizabeth Land, East Antarctica
A 51.85-m firn core collected from site DT001 (accumulation rate 127 kgm−2a−1, mean annual temperature −33.1 °C) on Princess Elizabeth Land, East Antarctica, during the 1996–97 Chinese First Antarctic Inland Expe...
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Article
Quantitative modeling of suspended sediment in middle Changjiang River from modis
Remote sensing techniques have been widely used to observe bodies of water. Among satellite sensors commonly used for water quality studies, the Moderate-resolution Imaging Spectroradiometer (MODIS) has potent...
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Article
Motivation of chinese investment in vietnam
China attracted a record of US$52.7×109 in foreign direct investment (FDI) in the year 2002, surpassing the United States to become the world’s largest FDI recipient. China’s success in attracting FDI has receive...
