搜索结果: 1-15 共查到“土壤学 carbon”相关记录42条 . 查询时间(0.062 秒)
Scientists discover new mechanism for how soils store carbon（图）
new mechanism how soils store carbon
2019/10/22
Scientists have discovered a new mechanism for determining how carbon is stored in soils, which could improve the climate resilience of crop systems and reduce their carbon footprints.The findings, pu...
Soil’s Contribution to the Carbon Cycle in a Warming World（图）
Soil Contribution Carbon Cycle Warming World
2017/10/25
Microbiologist Kristen DeAngelis and her graduate student Grace Pold at the University of Massachusetts Amherst, with colleagues at Woods Hole Marine Biological Laboratory (MBL) and in New Hampshire, ...
Losses of soil carbon under global warming might equal U.S. emissions
soil carbon under global warming U.S. emissions
2016/12/13
For decades scientists have speculated that rising global temperatures might alter the ability of soils to store carbon, potentially releasing huge amounts of carbon into the atmosphere and triggering...
UD prof studies how permafrost thawing affects vegetation,carbon cycle
UD prof permafrost thawing vegetation carbon cycle
2016/3/11
“There is a lot of carbon frozen in the Arctic soil’s permafrost layer. If this all thaws out, prevailing thought is that the carbon in the soil could be released to the atmosphere and potentially acc...
On-line technique for preparingand measuring stable carbon isotopeof total dissolved inorganic carbonin water samples ( d13CTDIC)
carbon isotope composition Total Inorganic Carbon
2015/9/10
A fast and completely automated procedure is proposed for the preparation and determination of d13C of total
inorganic carbon dissolved in water ( d13CTDIC). This method is based on the acidification...
SOIL CARBON STOCKS UNDER PASTURES IN THE BRAZILIAN CERRADO REGION THEIR ASSESSMENT BY ORBITAL REMOTE SENSING
Climate Agriculture Soil Estimation Landsat Spectral
2015/7/29
The article 3.4 of the Kyoto Protocol acknowledges agriculture soils as a potential sink for soil organic carbon (SOC). To estimate
current and potential SOC on a broad scale for these potential sin...
Predicting Oxidizable Carbon Content via Visible- and Near-Infrared Diffuse Reflectance Spectroscopy in Soils Heavily Affected by Water Erosion
Partial Least Squares Regression spectra pre-treatment
2015/7/28
Soil spectroscopy represents a low-cost alternative to routine time-consuming and expensive laboratory analyses.
Its ability to measure a wide range of different chemical and physical soil propertie...
Testing of activated carbon for water and non-volatile LNAPL quantitative determination in porous media under laboratory conditions
activated carbon LNAPL silica sand Silcarbon SC40 sampling interval
2015/3/10
Activated carbon is a highly porous form of carbon, which has an exceptionally large surface area. Activated carbon material has been artificially processed as a set of plates, within which two differ...
Stability of soil aggregates and their ability of carbon sequestration
water-stable aggregates soil organic matter vineyards
2015/3/10
One of the most important binding agents for forming stable aggregates is a soil organic matter (SOM), which can be retained in various size fractions of aggregates. If aggregates are water-resistant,...
Interactive effects of arbuscular mycorrhizae and maize (Zea mays L.) straws on wheat (Triticum aestivum L.) growth and organic carbon storage in a sandy loam soil
Glomus caledonium rhizosphere acidification root-to-straw ratio soil enzyme straw return
2015/3/10
A pot experiment was conducted to study interactive effects of arbuscular mycorrhizae (AMs) and maize (Zea mays L.) straws on wheat (Triticum aestivum L.) growth and organic carbon (C) storage in a st...
Effect of agricultural lands afforestation and tree species composition on the soil reaction, total organic carbon and nitrogen content in the uppermost mineral soil profile
acidification afforestation carbon nitrogen soil reaction
2015/3/10
Forests occupy one third of the world’s land area and govern carbon (C) transfers and influence nitrogen (N) content in the biosphere. Afforestation leads to soil changes of specific dynamics, often a...
Soil organic carbon dynamics and its influence on the soil erodibility factor
agrotechnical erosion control measures soil erodibility factor soil erosion soil organic carbon
2015/3/5
The effect of erosion and erosion control measures on changes in the amount of organic matter in soil was studied. We investigated the influence of organic matter inputs into the soil on surface runof...
Simulation of soil organic carbon changes in Slovak arable land and their environmental aspects
agricultural management long-term simulation RothC model soil organic carbon soil quality
2015/3/5
One of the key goals of the Thematic Strategy for Soil Protection is to maintain and improve soil organic carbon (SOC) stocks. A decline of SOC stocks is politically perceived as a serious threat to s...
Modelling soil organic carbon changes on arable land under climate change – a case study analysis of the Kočín farm in Slovakia
arable land climate change Kocín farm Slovakia soil organic carbon
2015/3/3
We have estimated soil organic carbon and crop yield changes under distinct climate change scenarios for the Kočín farm in Slovakia. Two regional climate change scenarios, i.e. the A2 and B2 SRES...
Application of RothC model to predict soil organic carbon stock on agricultural soils of Slovakia
agricultural land RothC Slovakia soil organic carbon
2015/3/2
Soil organic matter (SOM) takes part in many environmental functions and, depending on the conditions, it can be a source or a sink of the greenhouse gases. Presently, the changes in soil organic carb...