Radiocarbon evidence for decomposition of aged organic matter in the vadose zone as the main source of speleothem carbon
AL Noronha, KR Johnson, JR Southon, C Hu… - Quaternary Science …, 2015 - Elsevier
Several recent studies have used records of the radiocarbon (14 C) bomb peak in
speleothems to inversely model the soil a 14 CO 2 and the age distribution of soil organic …
speleothems to inversely model the soil a 14 CO 2 and the age distribution of soil organic …
The shallow subsurface of karst systems: review and directions
R Berthelin, A Hartmann - Eurokarst 2018, Besançon: Advances in the …, 2020 - Springer
The shallow subsurface of karst systems (soil and epikarst) plays an important role in karst
recharge processes. However, only a little research that directly characterized this zone has …
recharge processes. However, only a little research that directly characterized this zone has …
Local hydroclimate alters interpretation of speleothem δ18O records
Oxygen isotopes (δ 18O) are the most commonly utilized speleothem proxy and have
provided many foundational records of paleoclimate. Thus, understanding processes …
provided many foundational records of paleoclimate. Thus, understanding processes …
Global warming and acid atmospheric deposition impacts on carbonate dissolution and CO2 fluxes in French karst hydrosystems: Evidence from hydrochemical …
The long-term change in surface water chemistry over time in remote areas is usually related
to global change, including several processes such as global warming and acid …
to global change, including several processes such as global warming and acid …
Interpretation of speleothem calcite δ13C variations: Evidence from monitoring soil CO2, drip water, and modern speleothem calcite in central Texas
We studied the sources and transport of carbon in two active karst systems in central Texas,
Inner Space Cavern (IS) and Natural Bridge North and South Caverns (NB), to provide new …
Inner Space Cavern (IS) and Natural Bridge North and South Caverns (NB), to provide new …
DOC and nitrate fluxes from farmland; impact on a dolostone aquifer KCZ
DOC and nitrate in farmland represent key chemical species that determine the water quality
in the Karst Critical Zone (KCZ). The work reported here focuses on quantifying fluxes of …
in the Karst Critical Zone (KCZ). The work reported here focuses on quantifying fluxes of …
Seasonal and annual changes in soil/cave air pCO2 and the δ13CDIC of cave drip water in response to changes in temperature and rainfall
JY Li, TY Li - Applied Geochemistry, 2018 - Elsevier
This study analyzes cave pCO 2 and the δ 13 C DIC of drip water in response to surface
environmental changes in the Furong Cave, Chongqing, southwestern China, between …
environmental changes in the Furong Cave, Chongqing, southwestern China, between …
Groundwater-flow characterization in a multilayered karst aquifer on the edge of a sedimentary basin in western France
G Lorette, R Lastennet, N Peyraube, A Denis - Journal of Hydrology, 2018 - Elsevier
On the edge of sedimentary basins, burial of geological layers can involve the formation of
confined karst aquifers. In some cases, relationships between confined and unconfined karst …
confined karst aquifers. In some cases, relationships between confined and unconfined karst …
Chemical weathering and CO2 consumption in a multi-lithological karstic critical zone: Long term hydrochemical trends and isotopic survey
The chemical weathering (CW) of rocks at the Earth's surface plays a key role in the global
carbon cycle along multiple pathways. Although karst systems are hotspot carbonated …
carbon cycle along multiple pathways. Although karst systems are hotspot carbonated …
A forty-year karstic critical zone survey (Baget Catchment, Pyrenees-France): lithologic and hydroclimatic controls on seasonal and inter-annual variations of stream …
The long-term trends and seasonal patterns of stream water chemical composition in a small
remote forested karst catchment, were investigated from 1978 to 2018. Calcium …
remote forested karst catchment, were investigated from 1978 to 2018. Calcium …