Sentences with phrase «analysis of soil»

I conducted analysis of soil samples, and input data from various research projects.

Sheffield, J. & Wood, E. F. Characteristics of global and regional drought, 1950 — 2000: analysis of soil moisture data from off - line simulation of the terrestrial hydrologic cycle.

A third component is a meta - analysis of soil thermal models that track soil dynamics in response to climate warming.

In a comprehensive analysis of soil collected from 11 distinct U.S. regions, from Hawaii to northern Alaska, researchers found that the extent to which deforestation disturbs underground microbial communities that regulate the loss of carbon into the atmosphere depends almost exclusively on the texture of the soil.

Elizabeth «Abbey» L. Paulson will study the «Environmental DNA analysis of soil and intertidal communities and freshwater habitat connectivity in Acadia National Park.»

Bloem, J. (2005) Analysis of the soil food web structure under grass and grassclover.

The results of chemical analysis of soils samples collected before planting and harvest of the strawberries indicates that the organic matter content in the soil of the organic system was higher than that of the non-organic system (see table below).

And in analyses of soil and lake sediment cores, researchers have found chemical and paleoecological clues indicating that Norse farmers skillfully maintained pastures with manure fertilizer and irrigation ditches.

Cross-biome metagenomic analyses of soil microbial communities and their functional attributes

The ERA - Interim analyses of soil moisture are included in the monthly summaries to provide a qualitative picture of major anomalies and to show the consistency with other variables.

The Copernicus Climate Change Service will also produce analyses of soil moisture based directly on satellite data as part of its programme for sustaining the production and updating of Essential Climate Variable datasets.

The ERA - Interim analyses of soil moisture are included here to provide a qualitative picture of major anomalies and to show the consistency with other variables.

Sieve analysis of soils, reading blueprints & making observations and calculations while surveying the installation of storm pipe, water, sanitary and catch basin, top soil & saud

Not exact matches

They said it was too simplistic in its analysis of carbon loss from soil, which can vary over a single field, and vastly overestimated how much residue farmers actually would remove once the market gets underway.

Analysis of 35 years of data from the FST also found that the volume of water percolating through the soil was 15 - 20 % greater in the organic systems than the conventional system.

Analysis of FST data over a 35 year period has established that soil health in the organic system has continued to increase over time while the conventional system has remained essentially unchanged (Figure 5).

We provide an extensive range of chemical analyses on plant, soil and water samples for inorganic nutrients, trace elements and heavy metals.

The ESL has over 40 years of expertise in the use of field and laboratory spectroscopy for mineral, organic complex, soil and soil organic matter, sediment, waste and water analysis.

Agricultural experts in Yobe and Borno on Tuesday observed that lack of consistency in the conduct of soil analysis was having a negative impact on the...

According to the analysis, the amount of clay in a given soil was a major determining factor to predict where the disease was more likely to persist.

Using historical aerial photo analysis, soil and methane sampling, and radiocarbon dating, the project quantified for the first time the strength of the present - day permafrost carbon feedback to climate warming.

Agricultural chemistry includes the application of chemical fertilizer, chemical insecticides, and chemical fungicides, soil makeup, analysis of agricultural products, and nutritional needs of farm animals.

New analysis warns that pine plantations can deplete soil of nutrients and carbon, reducing the carbon - mitigating benefits.

Curiosity's onboard laboratory, the Sample Analysis at Mars, heated up several samples of Martian soil and found nitric oxide, suggesting that ancient Mars had the basic ingredients to support life.

But a comprehensive new analysis warns that pine plantations can rapidly deplete the soil of its nutrients — and carbon — thereby reducing the benefits.

IRD researchers and their partners have just published a summary in the Global Change Biology journal, a meta - analysis of carbon stock changes in the region's soils.

A statistical analysis of various available data sets for soil consumption and socio - economic development showed that urban sprawl and its impact on soil consumption can not be adequately explained by population growth alone.

The new study, by researchers at the University of Vienna and the International Institute of Applied System Analysis explores the role of microbial cheaters for soil carbon and nitrogen cycling using a computer model.

They used those readings to estimate NOx emissions from soil, after subtracting local estimates from the CARB California Emissions Projection Analysis Model of NOx emissions derived from fossil fuels.

An analysis of sediments deposited over the past 4600 years provides a record of the vegetation and soil nutrient patterns and shifts in hydrology, revealing some of the processes that have hitherto remained obscure.

Despite large temperature increases in Alaska in recent decades, a new analysis of NASA airborne data finds that methane is not being released from Alaskan soils into the atmosphere at unusually high rates, as recent modeling and experimental studies have suggested.

Star of the show at the AGU meeting was the Sample Analysis at Mars (SAM) experiment, which can sniff the atmosphere and can analyse the gases given off when soil samples are heated to as much as 1100 °C.

Analysis of historic soil archives dating back to 1923 has revealed a clear parallel between the appearance of antibiotic resistance in medicine and similar antibiotic resistant genes detected over time in agricultural soils treated with animal manure.

Living up to all the ambitions of its official name, OSIRIS - REx would explore the origins of asteroids and thus the solar system itself, connect spectral colors observable from Earth to specific minerals on the asteroid, identify potential resources such as water for rocket fuel, help evaluate the threat of asteroids to Earth, and return some regolith (asteroid soil) for detailed analysis.

Kidder's research, co-authored with Liu Haiwang, senior researcher at China's Henan Provincial Institute of Cultural Relics and Archaeology, relies on a sophisticated analysis of sedimentary soils deposited along the Yellow River over thousands of years.

SAN FRANCISCO, CALIFORNIA — The first full analysis of martian soil by the Curiosity rover has detected simple carbon compounds that could be the first traces of past martian life ever found, NASA scientists announced here today at a press conference at the annual fall meeting of the American Geophysical Union.

It is a spacecraft that would scoop as much as 2 kilograms of rocky soil off a 600 - meter - diameter asteroid in 2020 and return the sample to the Utah desert in 2023 for laboratory analysis.

It also enables the implementation of more advanced risk prediction tests, for example with the help of soil and water analyses.

He then worked with geochemists and chemists from the University of California at San Diego, who extracted sulfates from the soils for analysis.

Numerical analysis considers both surface and guided waves, accounts for soil dissipation, and provides design guidelines for implementing earthquake protection using an array of ground - based cavities.

In the 1960s an analysis of Hawaiian soil found that some of its quartz content is derived from Gobi sand.

Meanwhile, a new analysis of laboratory experiments that simulate carbon release by thawed soil is bolstering worries that continued carbon emissions could unleash a massive Arctic carbon wallop.

In an effort to detect consistent patterns across a large geographical area, University of Illinois researchers conducted a meta - analysis of 62 studies examining the effect of tillage on soil microbes.

What's been lacking is a side - by - side analysis that isolates the effect of soil quality on yield.

Lab analysis revealed the miniscule bits to be carbon - based blobs of soil material — like decayed bits of plants and soil - dwellers.

Her work includes analysis of pond sediments, soils, and more collecting to document plant diversity... We're also hoping to cast a broader net across Providence with an analysis of historical specimens of Plantago [plantain] in an attempt to match terrestrial trends in heavy metal concentration with measurements taken from nearby marine sediments in Narragansett Bay [south of Providence].»

So Francesc A. Esteve - Turrillas and colleagues set out to determine whether an espresso machine — which quickly runs hot liquid through a small amount of coffee, or in this case, soil — could efficiently extract PAHs for further analysis.

The study is based on a complementary methods approach consisting of a quantitative analysis of bibliometric and publication data, a global survey of 1,200 researchers and three case studies including in - depth interviews with key individuals involved in data collection, analysis and deposition in the fields of soil science, human genetics and digital humanities.

Analyses showed that high - frequency irrigation resulted in higher root zone soil moisture content relative to low - frequency irrigation despite reduced evaporative demand during part of the growing season.

For mid-latitude coasts that border subduction zones, sequences of buried soils may provide a long - duration, subsidence stratigraphic paleoseismic record that spans to the present, but in other settings such as the Aceh coastal plain, joint research approaches, for example targeted foraminiferal analyses and palynology, are required to both exploit the changing form of the relative sea - level curve and characterize coastal evolution in the context of the diminishing importance of accommodation space.