Results 71 to 80 of about 61,397 (146)

Characteristics of heavy metal element content and health risk assessment in groundwater in Zhaojue area, Sichuan Province, China

open access: yesScientific Reports
Groundwater serves as the primary drinking water source for residents in the Zhaojue area, located in the hinterland of the Daliang Mountains in Sichuan Province.
Yongsheng Lin   +6 more
doaj   +1 more source

The Effect of Testing Lag on Chemical Indexes of Karst Water

open access: yesYankuang ceshi, 2019
BACKGROUND Sample testing is important for studying hydrogeology, engineering geology and environmental geology in Karst areas. The inconvenience of transportation, the difficulty of sample shipping and the delayed sample analyses by testing laboratory ...
ZHOU Chang-song   +5 more
doaj   +1 more source

Numerical karst: Spatio-temporal modelling of karst aquifer systems

open access: yes, 2014
[EN] The quantitative study of karst aquifers is of great interest due to their enormous importance as water resources and their environmental impact on both the surface and underground.
Guardiola Albert, Carolina   +5 more
core   +1 more source

Analysis of karst leakage conditions and pipeline characteristics in the main blocked area of Yibasan reservoir, Yunnan

open access: yesCarsologica Sinica
Reservoir leakage is a significant challenge in the construction of water conservancy projects in karst areas. Yibasan reservoir is a key water source project planned for Wenshan Prefecture in Yunnan Province.
Chen SONG   +7 more
doaj   +1 more source

Spatiotemporal evolution of landscape stability in World Heritage Karst Sites: a case study of Shibing Karst and Libo-Huanjiang Karst

open access: yesHeritage Science
Landscape stability is a paramount concern within the field of landscape ecology. Indices of landscape patterns not only facilitate an effective analysis of land use transformations but also delve into the mechanisms of landscape disturbances across ...
Xue Bai   +3 more
doaj   +1 more source

Key technical points for integrated surface water-groundwater surveys and assessment in karst basins of South China

open access: yesCarsologica Sinica
This study focuses on the karst region of South China, centered in Guizhou Province and encompassing Yunnan, Guangxi, Hunan, Hubei, Sichuan, Chongqing, and Guangdong.
Changsong ZHOU   +14 more
doaj   +1 more source

Water management in the karst of Apulia, southern Italy.

open access: yes, 2010
Among the peculiarities of karst environment, distinguishing it from any other natural settings, the very limited surface runoff and the slightly defined surface watersheds play a significant role.
Parise M, Delle Rose M
core  

Zoning of ecological treatment in typical karst areas based on ecosystem vulnerability assessment

open access: yesCarsologica Sinica
Guohua Demonstration Zone for Ecological Restoration of Desertification (hereinafter referred to as Guohua Demonstration Zone) is located in Guohua town, Pingguo City, Guangxi, with a total area of 30 km2.
Zhaoxin HU   +4 more
doaj   +1 more source

Hypogene Cave Morphologies 2014 : selected papers and abstracts of the symposium held February 2 through 7, 2014, San Salvador Island, Bahamas

open access: yes, 2014
The main thematic activities of the conference are to examine and discuss the unique cave morphologies and speleogens associated with hypogene caves, from the scale of 100 km+ cave maps down to centimeter size wall rock shapes and forms.
Hypogene Cave Morphologies (Conference) (2014 : San Salvador Island, Bahamas)
core   +1 more source

Dissolution process of carbonate rocks by different types of water in atmospheric environment and δ13C evolution of dissolved inorganic carbon

open access: yesCarsologica Sinica
Carbonate dissolution is a geological process that occurs in the shallow surface environment of the Earth. Due to its geochemical characteristics—such as low temperature, openness, sensitivity, and biological participation—it leads to variability in the ...
Guangshuai ZHAO   +6 more
doaj   +1 more source

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