Results 51 to 60 of about 153,181 (207)

Hydrogeological conditions of karst leakage and locating of leakage channels in Biyun lake, Guizhou

open access: yesCarsologica Sinica
China is a country with the widest distribution area and the most complete karst development type in the world, and its karst area accounts for about one third of China's territorial area.
Jie ZENG   +5 more
doaj   +1 more source

Vadose zone air as a biogenic source of methane in Nerja Cave system (South of Spain) [PDF]

open access: yes, 2018
Subterranean air in karst cavities has often low methane contents in comparison to atmosphere and so karst systems have been considered a sink of atmospheric methane. Methane-oxidizing bacteria have been hypothesized as responsible for CH4 depletion in
Benavente, José   +8 more
core  

Application of passive seismic to the detection of buried hollows [PDF]

open access: yes, 2015
Pilot studies involving the use of passive seismic techniques in a range of geological settings and applications, e.g., mapping bedrock, studies of soil erosion and Quaternary mapping have shown that it is a versatile, non-invasive and economic ...
Banks, VJ   +7 more
core   +1 more source

Serrano v. Priest’s Inputs and Outputs [PDF]

open access: yes, 1974
A report on the litigation strategies and cost-quality issues involved in the Serrano V Priest case in which the California Supreme Court ruled that spending for a child\u27s publicly financed education should not be a function of wealth.
Karst, Kenneth L.
core   +1 more source

Ventilation and cave air PCO2 in the Bunker-Emst Cave System (NW Germany): implications for speleothem proxy data [PDF]

open access: yes, 2019
Cave air pCO2 (carbon dioxide partial pressure) is, along with drip rate, one of the most important factors controlling speleothem carbonate precipitation.
Breitenbach, Sebastian   +4 more
core   +2 more sources

Geomorphology of the Durmitor Mountains and surrounding plateau Jezerska Površ (Montenegro) [PDF]

open access: yes, 2014
The geomorphological map of the northeastern Durmitor Mountains and the plateau Jezerska Povrs. (1: 10,000, 47 km(2), Montenegro, Dinaric Alps) was prepared from an intensive fieldwork campaign and remote sensing analysis, and was compiled within a GIS ...
Annys, Klaas   +5 more
core   +3 more sources

Misconceptions About Caves and Karst: Common Problems and Educational Solutions [PDF]

open access: yes, 2007
Provides pedagogical insight concerning learners' pre-conceptions and misconceptions about groundwater, caves, karst The resource being annotated is: http://www.dlese.org/dds/catalog_DLESE-000-000-010-102 ...
Lamont-Doherty Earth Observatory, Columbia University
core  

Fast liquid chromatography/electrochemistry/mass spectrometry of ferrocenecarboxylic acid esters [PDF]

open access: yes, 2002
Rapid liquid chromatographic separations of ferrocenecarboxylic esters of various alcohols and phenols have been achieved on reversed-phase columns of 20 mm length.
Diehl, Georg, Karst, Uwe
core   +3 more sources

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

The genetic diversity and geographical separation study of Oncomelania hupensis populations in mainland China using microsatellite loci [PDF]

open access: yes, 2016
© 2016 Guan et al. Open Access This article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in ...
Abe, EM   +5 more
core   +1 more source

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