Sentences with phrase «studies on biomass»

The project will be a joint affair between Qatar Airways, Qatar Science & Technology Park, and Qatar Petroleum: Based on feasibility studies on biomass - to - liquid jet fuel (think: second - generation biofuels) done by Seattle's Verno Systems, the trio have established the Qatar Advanced Biofuel Platform which will be active in the following areas developing: 1) an engineering and implementation plan for «economically viable and sustainable biofuel production»; 2) a biofuel investment strategy; 3) an advanced technology development program; 4) ongoing market and strategic analysis.

Pouring free fertilizer into the sky, along with better agricultural practices, has produced a global boom in crops (See CO2science for scores of studies on biomass -LSB-...]

Not exact matches

Overall, the study shows that forest biomass and tree species composition and their combined impact on carbon storage are affected by climatic variability on a sensitive and short timeline — just a few decades.

They've demonstrated how to design and genetically engineer enzyme surfaces so they bind less to corn stalks and other cellulosic biomass, reducing enzyme costs in biofuels production, according to a study published this month on the cover of the journal ACS Sustainable Chemistry & Engineering.

Koenig cites another study that reveals the enormous effect the biomass of cicadas has on the environment.

In his doctoral dissertation on chemistry at the University of Helsinki, Harri Latva - Mäenpää studies methods which could be used to harvest these precious molecules from biomass.

The finding from this study — that the increased availability of food on deep - sea hills is fuelling increased seafloor biomass — is important because there are approximately 25 million abyssal hills and seamounts — they are thought to be the most common landform on the planet.»

The microbe Clostridium thermocellum (stained green), seen growing on a piece of poplar biomass, is among several microorganisms recently evaluated in a BioEnergy Science Center comparative study.

«Hydropower plants and thermoelectric power plants — which are nuclear, fossil -, and biomass - fueled plants converting heat to electricity — both rely on freshwater from rivers and streams,» explains Michelle Van Vliet, a researcher at the International Institute for Applied Systems Analysis (IIASA) in Austria and Wageningen University in the Netherlands, who led the study.

This study showed the timing of when faba was planted had a dramatic effect on the biomass — the total weight — the plants produced before winter weather stopped growth.

According to her, the research included four of the five functionally distinct carbon pools whose study is recommended by the United Nations (UN) Intergovernmental Panel on Climate Change (IPCC): aboveground biomass (live plants), dead organic matter, leaf litter (layer that contains a combination of fragments of leaves, branches and other decomposing organic matter) and soil (up to 30 centimeters (cm) in depth).

The results so far show only a correlation between fires and water cycle indicators, but the data gathered from the study is allowing scientists to improve climate models to be able to establish a more direct relationship between biomass burning and its impacts on drought.

If bighead and silver carp were to establish in Lake Erie, local fish biomass is not likely to change beyond observations recorded in the last three decades, according to a study published in the journal Conservation Biology on Thursday (Aug. 6) by a group of scientists from the University of Notre Dame, Resources for the Future, U.S. Forest Service, University of Michigan and the NOAA Great Lakes Environmental Laboratory.

Most importantly, he said, the study showed both fine root diameter and biomass could be detected by ground - penetrating radar, depending on soil conditions.

«Particles in Venus» lower clouds contain sufficient mass balance to harbor microorganisms, water, and solutes, and potentially sufficient biomass to be detected by optical methods,» the researchers wrote in their study, which was published on March 30.

``... since we knew that the impact of the study could be high when successful, we decided to invest our time and effort on this new research project at the interface of biomass conversion and solar energy conversion.»

Understanding the biomechanics of this little snail could help engineers design some nifty sea - faring robots, and it could also help with ecological studies: Zooplankton like helicina move upwards to the surface of the ocean each night to eat (and avoid being eaten), and this mass migration of tiny organisms is one of the biggest biomass movements on the planet.

Effects of harvest and climate change on polar marine ecosystems: case studies from the Antarctic Peninsula and Hudson Bay C Hoover — 2012 — circle.ubc.ca... Future simulations of the Antarctic Peninsula identify large reductions in ecosystem biomass of all species due changes in environmental conditions and an overall reduction in krill, with minimal ecosystem impacts from harvest.

The study finds that the greenhouse gas impacts on the atmosphere of using woody biomass will be a function of the lifecycle of the biomass being used, the biomass energy technology and the fossil fuel technology it replaces, and the way landowners choose to manage their forests.

Studies of the global carbon cycle often identify biomass energy as being among the most important potential benefits associated with the forest industry value chain...» They then go on to worry that the use of paper fiber (biomass) for fuel would cause ``... - market - distorting public policies that disproportionately favor the use of these materials for their fuel value, - public policies that fail to recognize the direct and indirect economic and social benefits associated with using biomass as a feed stock for forest products manufacturing,...».

In another study focusing on Denmark, Mathiesen et al 2010 found that not only could the country meet 85 % of its electricity demands with renewable sources by 2030 and 100 % by 2050 (63 % from wind, 22 % from biomass, 9 % from solar PV), but the authors also concluded doing so may be economically beneficial:

That paper SebH cited on loss of insect biomass in the European areas studied was interesting.

Building on earlier research showing the carbon payback time of biofuel crops grown on certain types of land, the new study uses «a new, geographically detailed database of crop locations and yields, along with updated vegetation and soil biomass estimates, to provide carbon payback estimates that are more regionally specific than those in previous studies,» write the authors.

Another study measured the effect of the intense 2005 drought on Amazonian biomass (Phillips et al. 2009).

Mabee and Saddler (2007) reviewed a number of regional and global outlook studies on forest fibre availability to determine the renewable global supply of forest biomass for wood energy production.

Increased weed and pest pressure associated with longer growing seasons and warmer winters will be an increasingly important challenge; there are already examples of earlier arrival and increased populations of some insect pests such as corn earworm.64 Furthermore, many of the most aggressive weeds, such as kudzu, benefit more than crop plants from higher atmospheric carbon dioxide, and become more resistant to herbicide control.72 Many weeds respond better than most cash crops to increasing carbon dioxide concentrations, particularly «invasive» weeds with the so - called C3 photosynthetic pathway, and with rapid and expansive growth patterns, including large allocations of below - ground biomass, such as roots.73 Research also suggests that glyphosate (for example, Roundup), the most widely - used herbicide in the United States, loses its efficacy on weeds grown at the increased carbon dioxide levels likely to occur in the coming decades.74 To date, all weed / crop competition studies where the photosynthetic pathway is the same for both species favor weed growth over crop growth as carbon dioxide is increased.72

The study analyzed so - called stationary bioenergy systems based on heat from wood - burning stoves and from wood biomass - based district heating.

Central Europe Standard Time Seminar The role of civil society in implementing the EU directives on the development of renewable energy sources in Lithuania 13 May, 2014 National Programme for the Development of Renewable Energy Sources 1 — The Ministry of Energy commissioned a study intended / t oe:: 241 thousand t oe of solid biomass 1 thousand t oe of biogas 2 thousand t oe of geothermal energy 19 % A total of 196 thousand t oe:: 195 thousand t oe of solid biomass 1 thousand t oe of biogas /

This study focuses on two types of perennial energy crops: herbaceous crops (in this case mostly giant grasses) and short rotation coppice, in which the aboveground biomass of re-sprouting woody crops is harvested mechanically on a 2 - 3 year rotation.

Kenneth Towe sent a study by Kenneth Drinkwater showing a dramatic North Atlantic climate shift in the 1920s and 1930s based on temperatures, fish stocks, spawning areas, food biomass, etc..

Skeptical Science notes that when the coal externalities of the study are included in coal's price, it increases the levalized costs to approximately 28 cents per kWh, which is more than the 2009 U.S. Energy Information Administration cost of hydroelectric, wind (onshore and offshore), geothermal, biomass, nuclear, natural gas, and solar photovoltaics, and is on par with solar thermal, although the costs of solar thermal are falling.

Using a general stylized forest sector management model, our study examines the economic potential of traditional industrial forests and supplemental dedicated fuelwood plantations to produce biomass on submarginal lands.

However, she based her study on residue - derived wood pellets anyway because the biomass industry «so often claims residues are a main pellet source.»

The government quietly released a new technical study on North American wood pellets for UK biomass last week, but it once again fails to quell an increasingly heated debate

The National Energy Technology Laboratory (NETL) has released a follow - on study to its 2009 evaluation of the economic and environmental performance of Coal - to - Liquids (CTL) and CTL with modest amounts of biomass mixed in (15 % by weight) for the production of zero - sulfure diesel fuel.

«There's more photosynthesis going on than in the past, and there's more biomass,» said the new study's lead author, Ralph Keeling, a professor of geochemistry at the Scripps Institution of Oceanography and program director of the Scripps CO2 Program.