Results 101 to 110 of about 182,068 (317)

Karst and agriculture in Australia

open access: yesInternational Journal of Speleology, 1999
Much of the development and degradation of karst lands in Australia has occurred in the last two centuries since European settlement. Recent prolonged El Nino events add further climatic uncertainty and place real constraints on sustainable agriculture.
Gillieson, David, Thurgate, Mia
openaire   +4 more sources

Direct measurement of bidirectional turbulent fluxes of atmospheric cluster ions

open access: yesQuarterly Journal of the Royal Meteorological Society, EarlyView.
First direct eddy covariance measurements of vertical turbulent fluxes of atmospheric cluster ions are presented. The net turbulent flux was mostly positive for negative cluster ions (net emission of negative ions) and mostly negative for positive cluster ions (net deposition of positive ions).
Luzie Kamecke   +2 more
wiley   +1 more source

Experiment on monitoring and early warning of karst collapses based on acoustic emission technology

open access: yesCarsologica Sinica
The karst collapse is a dynamic geological process in which the damage of soil mass and development of cavity ultimately result in the instability of the overburden layer.
Zongyuan PAN   +8 more
doaj   +1 more source

Subterranean glacial spillways: an example from the karst of South Wales, UK [PDF]

open access: yes, 2013
Many karst areas in the UK have been glaciated one or more times during the last 0.5 Ma, yet there are few documented examples of caves in these regions being affected by glacial processes other than erosion.
Farrant, Andrew R.   +2 more
core  

Effects of Pyrolysis Control Parameters on the Structural Properties of Biomass‐Derived Activated Carbon Materials and Their Energy Applications

open access: yesThe Chemical Record, EarlyView.
Tubular pyrolysis synthesis is a widespread method to produce activated carbons (ACs). This review focuses on the different controlling parameters of the tubular pyrolysis synthesis method and their influence on the performance of synthesized ACs, thereby considering both experimental aspects and the use of plant‐based biomasses (PBBs) as feedstock ...
Meenal Gupta   +6 more
wiley   +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

Discovery of a new limestone karst-restricted odorous frog from northern Guangdong, China (Anura, Ranidae, Odorrana)

open access: gold, 2022
Shi-Shi Lin   +7 more
openalex   +1 more source

Rock solid: winter ecology of boreal bats at natural hibernation sites

open access: yesWildlife Biology, EarlyView.
Overwintering bats at northerly latitudes spend up to eight months a year in a state of dormancy: a period characterised by extended use of torpor, but not an absolute lack of activity. Although this period constitutes a majority of their yearly cycle, little is known about their ecology during this time, because of the cryptic behaviour of bats ...
Anna S. Blomberg   +2 more
wiley   +1 more source

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