Results 31 to 40 of about 3,483,745 (281)

New organic matter degradation proxies: Valid in lake systems? [PDF]

, 2004
We determined concentrations and diagenetic state of organic matter in two cores from Lake Zug, Switzerland. To obtain a general picture of organic matter decay in the lake, we measured bulk parameters such as total organic carbon, total nitrogen, and ...
C. J. Schubert, M. Dittrich, G. L. Cowie, S. Peiffer, Peiffer, S., A. N. Meckler, Schubert, C. J., Cowie, G. L., Dittrich, M., Meckler, A. N.   +9 more
core   +1 more source

Optical properties and bioavailability of dissolved organic matter along a flow-path continuum from soil pore waters to the Kolyma River mainstem, East Siberia [PDF]

, 2016
The Kolyma River in northeast Siberia is among the six largest Arctic rivers and drains a region underlain by vast deposits of Holocene-aged peat and Pleistocene-aged loess known as yedoma, most of which is currently stored in ice-rich permafrost ...
Holmes, Robert, Frey, Karen E., Mann, Paul, W. V. Sobczak, Sobczak, William, Holmes, Robert M., Frey, Karen, P. J. Mann, Sobczak, William V., R. M. Holmes, Mann, Paul J., K. E. Frey   +11 more
core   +2 more sources

Aggregates reduce transport distance of soil organic carbon: are our balances correct? [PDF]

, 2014
The effect of soil erosion on global carbon cycling, especially as a source or sink for greenhouse gases, has been the subject of intense debate. The controversy arises mostly from the lack of information on the fate of eroded soil organic carbon (SOC ...
Y. Hu, N. J. Kuhn, Kuhn, Nikolaus, Hu, Yaxian   +3 more
core   +2 more sources

Biodegradability of dissolved organic carbon in permafrost soils and aquatic systems: A meta-analysis [PDF]

, 2015
As Arctic regions warm and frozen soils thaw, the large organic carbon pool stored in permafrost becomes increasingly vulnerable to decomposition or transport.
Tank, Suzanne, Striegl, R.G., C. C. Treat, Tank, S.E., Wickland, K. P., K. P. Wickland, R. G. M. Spencer, Tank, Suzanne E., Spencer, Robert, Treat, Claire, Mann, P. J., Abbott, Benjamin, Treat, C. C., Vonk, J. E.; id_orcid, Spencer, R. G M, Striegl, Robert, Striegl, Robert G., Vonk, Jorien, Spencer, Robert G M, Mann, Paul, Treat, Claire C., S. E. Tank, R. G. Striegl, Wickland, K.P., Abbott, B.W., Tank, S. E., Organic geochemistry, Spencer, Robert G.M., Wickland, Kimberly, Abbott, B. W., Striegl, R. G., Wickland, Kimberly P., Vonk, Jorien E., B. W. Abbott, Abbott, Benjamin W., NWO-VENI: Ancient organic matter that matters: The fate of Siberian Yedoma deposits, J. E. Vonk, P. J. Mann, Mann, Paul J., Vonk, J. E.   +39 more
core   +4 more sources

Large amounts of labile organic carbon in permafrost soils of northern Alaska

Global Change Biology, 2015
AbstractPermafrost‐affected soils of the northern circumpolar region represent 50% of the terrestrial soil organic carbon (SOC) reservoir and are most strongly affected by climatic change. There is growing concern that this vast SOC pool could transition from a net C sink to a source.
Mueller, Carsten W., Rethemeyer, Janet, Kao-Kniffin, Jenny, Löppmann, Sebastian, Hinkel, Kenneth M., Bockheim, James G.   +5 more
openaire   +3 more sources

Labile forms of carbon and soil aggregates

Soil and Water Research, 2016
Soil organic matter (SOM) plays an important role in the soil aggregation and vice versa, its incorporation into the soil aggregates is one of the mechanisms of soil organic carbon stabilization.
Erika Tobiašová, Gabriela Barančíková, Erika Gömöryová, Jarmila Makovníková, Rastislav Skalský, Ján Halas, Štefan Koco, Zuzana Tarasovičová, Jozef Takáč, Miroslav Špaňo   +9 more
doaj   +1 more source

Soil Strength and Structural Stability Are Mediated by Soil Organic Matter Composition in Agricultural Expansion Areas of the Brazilian Cerrado Biome

Agronomy, 2022
A growing demand for resources has led to the expansion of agricultural areas worldwide. However, land conversion associated with poor soil management might lead to soil physical degradation.
Jorge L. Locatelli, Renato P. de Lima, Rafael S. Santos, Maurício R. Cherubin, Rachel E. Creamer, Carlos E. P. Cerri   +5 more
doaj   +1 more source

Effect of Biochar on Labile Organic Carbon Fractions and Soil Carbon Pool Management Index

Agronomy, 2023
Biochar is useful for soil organic carbon (SOC) sequestration. However, the effects of biochar aging and addition rates on SOC stabilization are unclear. A field experiment with four biochar application rates (0% (control), 1% (LB), 2% (MB), and 4% (HB) of dry fluvo-aquic soil) was conducted.
Qiu, Husen, Hu, Zhuangzhuang, Liu, Jieyun, Zhang, Haiyang, Shen, Weiliang   +4 more
openaire   +2 more sources

Warming and Labile Substrate Addition Alter Enzyme Activities and Composition of Soil Organic Carbon

Frontiers in Forests and Global Change, 2021
Warming can increase the efflux of carbon dioxide (CO2) from soils and can potentially feedback to climate change. In addition to warming, the input of labile carbon can enhance the microbial activity by stimulating the co-metabolism of recalcitrant soil
Mioko Tamura, Vidya Suseela
doaj   +1 more source

Sample storage-induced changes in the quantity and quality of soil labile organic carbon. [PDF]

Sci Rep, 2015
AbstractEffects of sample storage methods on the quantity and quality of labile soil organic carbon are not fully understood even though their effects on basic soil properties have been extensively studied. We studied the effects of air-drying and frozen storage on cold and hot water soluble organic carbon (WSOC).
Sun SQ, Cai HY, Chang SX, Bhatti JS.
europepmc   +4 more sources