Sentences with phrase «decay of vegetation»

- The 13C / 12C ratio: Indeed there are two main sources of low 13C: fossil fuels and the decay of vegetation.
Yahweh is not some sort of Baal, a blind and brutal natural force... His destiny, like that of His people, is not identical with the cycle of the seasons, the regular succession of the day and the night, the growth and decay of the vegetation; Yahweh is the Lord of history, whose word alone creates and preserves Israel in life.»

Not exact matches

It is a result of fruit trees, seaweed, vegetation and decaying and pressurizing to form complex substances rich in essential minerals, amino acids, electrolytes and other beneficial compounds.
According to the researcher's estimates, the majority of these emissions come from the respiration of the roots and the fall and decay of the semi-aquatic vegetation in the flood plains.
The fecal - brown water and smell of stagnant, decaying vegetation would be enough to turn away even the most intrepid adventurer.
The apparent lushness existed only because the vegetation was so good at sucking up every speck of nutrient released from decaying leaves.
The precursors of acid rain formation result from both natural sources, such as volcanoes and decaying vegetation, and human - made sources, primarily emissions of sulfur dioxide and nitrogen oxide resulting from fossil fuel combustion.
As the researchers reported online last month in Environmental Science & Technology, this kind of bacteria thrives in the waterlogged sediments, rich with decaying vegetation, that pile up behind beaver dams.
Decaying vegetation increases the levels of ammonia and carbon dioxide; nobody wants that!
Taking cues from the fruit and flower portraits of Italian Renaissance painter Giuseppe Arcimboldo and vanitas paintings depicting decaying plants and vegetation, Jiang's forms portray plants realistically.
It is well known that the majority of carbon stored in vegetation mostly returns to the atmosphere through the processes of decay, fire, and / or slow oxidation.
There is such an equilibrium exchange of CO2 between atmosphere and the surface layer of the oceans, and there is the natural equilibrium that most of vegetation first grows and then decays and returns CO2 to the atmosphere.
The resolution of the sponges is 2 - 4 years and the accuracy of the measurements is good enough to detect an addition of 4 GtC from the oceans or 1 GtC from vegetation decay.
You write:» There are only two sources of low d13C on earth: fossil fuels and vegetation decay» - I then get the impression that you have not considered the influence of the explosion of grass uses in agriculture after 1750?
If all came from vegetation decay (very unlikely, except from war, but that means about 1 / 5th of all land vegetation!)
There are two main fast sources of CO2, besides human emissions: the oceans (which have a zero to positive d13C level 0 - 4 per mil) and vegetation decay (which has app.
For the d13C levels of several parts of the carbon cycle see: http://homepage.mac.com/uriarte/carbon13.html There are only two sources of low d13C on earth: fossil fuels and vegetation decay, but as the biosphere is an overall carbon sink, thus specifically a 12C sink, it can't be a 13C sink.
The Arctic sea floor contains a rich, decayed layer of vegetation from earlier eras when the continental shelf was not underwater.
That implies a lot of vegetation regrowth in spring (mainly the mid-latitudes NH spring) and a lot of vegetation decay in fall.
As there is no differentiation in type for the inflows and outflows, also 22 % of the red CO2 is exchanged by natural, colourless CO2, from the deep oceans (we forget for a moment that some of it returns in another season from the ocean surface layer and vegetation decay).
What keeps soils alive, and productive, is the compost or humus of leaf litter, animal dung, withered roots and other decaying vegetation in the first metre or so of topsoil: this in turn feeds an invisible army of tiny creatures that recycle the nutrient elements for the next generation of plant life.
Surprisingly, researchers from the Universities of Exeter, Sussex, and Sheffield found that most of the methane that is released comes from decay of the new vegetation from the recently thawed top layers.
The decay of land surface process will have strong effects on high - latitude vegetation.
The only plausible explanation of the annual wiggle and its variation with latitude is that it is due to the seasonal growth and decay of annual vegetation, especially deciduous forests, in temperate latitudes north and south.
Indonesian forests are home to roughly 60 percent of the world's tropical peatlands, where decayed vegetation or organic matter has accumulated in the soil layers and created peat deposits that can be up to 10 meters deep.
Or, Man interfering with vegetation would have very little efect because grass would grow and decay to GHG irrespective of Man.
The world's forests are enormous stores of carbon dioxide, and when they are cleared, the vegetation that is burned or allowed to decay oxidizes into carbon dioxide, the major greenhouse gas.
Is decay of past vegetation more productive than industrial combustion of fossil fuels?
While all types of plants absorb carbon dioxide, known as CO2, most of them return it to the atmosphere quickly because their vegetation decays, burns or is eaten.
Vegetation goes the opposite way: large CO2 uptake in summer (including ocean algues) and continuous release of CO2 during the year from vegetation decay (without uptake in winter from leafleVegetation goes the opposite way: large CO2 uptake in summer (including ocean algues) and continuous release of CO2 during the year from vegetation decay (without uptake in winter from leaflevegetation decay (without uptake in winter from leafless trees).
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