A5103177108- Geology and Paleoclimatology Research
- Geological formations and processes
- Pleistocene-Era Hominins and Archaeology
- Geochemistry and Elemental Analysis
- Isotope Analysis in Ecology
- Karst Systems and Hydrogeology
- Archaeology and ancient environmental studies
- Paleontology and Stratigraphy of Fossils
- Geochemistry and Geologic Mapping
- Geomagnetism and Paleomagnetism Studies
- Methane Hydrates and Related Phenomena
- Groundwater and Isotope Geochemistry
- Geological and Geophysical Studies
- Water Quality and Pollution Assessment
- Heavy metals in environment
- earthquake and tectonic studies
- Water resources management and optimization
- Hydrocarbon exploration and reservoir analysis
- Hydrology and Watershed Management Studies
- Environmental Impact and Sustainability
- Water Resources and Sustainability
- Plant Ecology and Soil Science
- Complex Systems and Time Series Analysis
- Plant Water Relations and Carbon Dynamics
- Coastal and Marine Dynamics
South China Normal University
2009-2022
Chinese Academy of Sciences
2000-2019
Guangzhou Institute of Geochemistry
1997-2019
Institute of Earth Environment
2007-2017
Southwest University
2011
National Cheng Kung University
2007-2009
United States Government Accountability Office
2001
Abstract The oxygen isotope signature (δ 18 O) of stalagmite SI3 collected from Shizi Cave in north‐east Sichuan Province provides an Asian Summer Monsoon (ASM) record Central China for the period 54–46 ka. δ O clearly shows a negative excursion centred around 49.4 ka, which was reported Hulu East but not identified speleothem records South‐west China. As whole, this displays higher coherence with two than China, suggesting that at influenced more by Indian Monsoon. It also significant...
Abstract A 50-yr resolution reconstruction of climate and environment variability during the period 43–14 ka was developed using 26 high-precision U/Th dates 390 oxygen isotope (δ 18 O) data a stalagmite (SJ1) collected from Songjia Cave in central China, which is close to northwestern boundary Asian summer monsoon (ASM). The δ O record SJ1 displays significant millennial-scale changes that correlate well timing duration with Dansgaard/Oeschger (D/O) events 5–10 Heinrich event 4 (H4)...
Uranium-series dating of oxygen and carbon isotope records for stalagmite SJ3 collected in Songjia Cave, central China, shows significant variation past climate environment during the period 20–10 ka. Stalagmite is located more than 1000 km inland coastal Hulu Cave East China 700 north Dongge Southwest despite minor differences, displays a clear first-order similarity with records. The coldest climatic phase since Last Glacial Maximum, which associated Heinrich Event 1 North Atlantic region,...
Manganese (Mn) and rare-earth elements (REEs) in a stalagmite (SJ3) collected from Central China were analyzed, using an ICP-MS method for the precise determination of > 40 trace geological samples by enriched-isotope internal standardization. Unlike speleothem Mn REEs investigated cathodoluminescence, which may be incorporated into crystal lattice, analyzed SJ3 should come largely colloidal particle phases groundwater associated with non-carbonate inclusions. The vary significantly...
Abstract The sediments in Lake Huguang Maar coastal South China were previously thought to originate mainly from wind-blown dust transported North China, such that the lake recorded varying strength of Asian winter monsoon. An alternative explanation was local pyroclastic rocks supplied sediments, but actual contributions different sources remained unclear. Geochemical analyses including 87 Sr/ 86 Sr and 143 Nd/ 144 Nd trace elements support rock as dominant source: <22% total ∼ 17%...
Abstract. Stalagmite ky1, with a length of 75 mm and the upper part (from top to 42.769 depth) consisting 678 laminae, was collected from Kaiyuan Cave in coastal area Shandong Peninsula, northern China, located warm temperate zone East Asia monsoon area. Based on high-precision dating U–230Th technique continuous counting 1st 678th laminae have been confirmed be AD 1894 ± 20 1217 bottom, respectively. By measurement thickness δ18O ratios, we haved obtained time series data ratios 20,...
Abstract The Asian monsoon is an important component of the global climate system. Seasonal variations in wind, rainfall, and temperature associated with systems affect a vast expanse tropical subtropical Asia. Speleothem-derived summer variation East Asia was previously found to be closely millennial-scale change North Atlantic region between 75 10 ka. New evidence recovered from Asia, however, suggests that teleconnection may have significantly reduced during 120 ~ 110 ka, period directly...
SUMMARY Water crises have occurred in more than 400 cities China at the beginning of 2000. Investigation and statistical data suggest that there are five main problems management utilization water resources China. These (1) insufficient capacity inhomogeneous space-time distribution natural resources, (2) outdated construction conservancy projects supply engineering, (3) unreasonable industrial consumption, (4) increased pollution (5) incomplete river basin waterworks city. It is necessary...
In a pilot study, arsenic in stalagmite (SJ3) collected from Central China was measured, and its association with past climate environment explored. Most of the SJ3 concentrations ranged 120 to 320 ppb highest associated relatively warm humid climatic phases lowest cold dry phases. The record very similar manganese SJ3. Variations might be controlled by metal oxides iron, manganese, aluminum karst groundwater at study site, which turn were closely related changes environment. A considerable...
Important factors affecting sustainable regional development are the bearing capacity of water resources as well utilization and management. In an attempt to forecast social economic development, authors have calculated volume demand for industrial, agricultural, residential uses balance between supply in every city Pearl River Delta Economic Zone—one most dynamic areas China world. New concepts calculation methods on damage coefficient resources, Index Theoretical Bearing Capacity Water...