Results 21 to 30 of about 8,301 (165)

Study on the basement structure in the southeastern North China by blasting seismic

open access: yesGeodesy and Geodynamics, 2018
Since the Mesozoic, southeastern North China Craton has experienced intense crustal thinning and lithosphere destruction. Some of the responses of the deep activity in the upper crust crystalline basement have been retained in a series of tectonic ...
Zhenyu Fan   +6 more
doaj   +1 more source

Water use efficiency of China\u27s terrestrial ecosystems and responses to drought [PDF]

open access: yes, 2015
Water use efficiency (WUE) measures the trade-off between carbon gain and water loss of terrestrial ecosystems, and better understanding its dynamics and controlling factors is essential for predicting ecosystem responses to climate change.
Ju, Weimin   +5 more
core   +2 more sources

New estimates of direct N2O emissions from Chinese croplands from 1980 to 2007 using localized emission factors [PDF]

open access: yesBiogeosciences, 2011
Nitrous oxide (N2O) is a long-lived greenhouse gas with a large radiation intensity and it is emitted mainly from agricultural land. Accurate estimates of total direct N2O emissions from croplands on a country scale are important for global budgets of ...
F. S. Zhang   +4 more
doaj   +1 more source

Oncomelania hupensis retains its ability to transmit Schistosoma japonicum 13 years after migration from permissive to non-permissive areas

open access: yesParasites & Vectors, 2020
Background The East Route Project (ERP) of the South-to-North Water Diversion Project (SNWDP) stretches across schistosomiasis endemic and non-endemic areas in China, which may lead to the dispersal of Oncomelania hupensis, the intermediate host of ...
Cheng-song Sun   +4 more
doaj   +1 more source

Eocene Podocarpium (Leguminosae) from South China and its biogeographic implications [PDF]

open access: yes, 2015
Podocarpium A. Braun ex Stizenberger is one of the most common legumes in the Neogene of Eurasia, including fossil fruits, seeds, leaves, and possible flower and pollen grains.
Jianhua eJin   +4 more
core   +2 more sources

Differences and Causal Mechanisms in the Lithospheric Thermal Structures in the Cratons in East China: Implications for Their Geothermal Resource Potential

open access: yesEnergies
The thermal structure of the lithosphere is key to understanding its thickness, properties, evolution, and geothermal resources. Cratons are known for their low heat flow and deep lithospheric roots.
Jinhui Wu   +8 more
doaj   +1 more source

Ostracods (Crustacea) associated with microbialites across the Permian-Triassic boundary in Dajiang (Guizhou Province, South China) [PDF]

open access: yes, 2012
26 samples were processed for a taxonomic study of ostracods from the Upper Permian (Changhsingian) - Lower Triassic (Griesbachian) interval of the Dajiang section, Guizhou Province, South China. 112 species belonging to 27 genera are recognized.
Forel, Marie-Béatrice
core   +6 more sources

Joint optimal operation of the South-to-North Water Diversion Project considering the evenness of water deficit [PDF]

open access: yesHydrology and Earth System Sciences
Inter-basin water transfer projects are the main measure to address the water deficit crisis caused by uneven distribution of water resources. The current water transfer operation mainly tends to be present in areas with small water transfer costs and is
B.-Y. Zhou   +4 more
doaj   +1 more source

Combining remote sensing and ground census data to develop new maps of the distribution of rice agriculture in China [PDF]

open access: yes, 2002
Large-scale assessments of the potential for food production and its impact on biogeochemical cycling require the best possible information on the distribution of cropland.
Boles, Stephen   +7 more
core   +2 more sources

Challenges and countermeasures of EOR by CO2 injection in North Jiangsu Basin

open access: yesYouqicang pingjia yu kaifa, 2020
CO2 injection for enhanced oil recovery(EOR) has gone though 4 stages of technical improvements in North Jiangsu Basin. During the current low oil price period, three challenges are exiting: the high cost of CO2 flooding makes it difficult to realize ...
CHEN Zuhua
doaj  

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