Sentences with phrase «atmospheric oxygen using»
The researchers built their history of atmospheric oxygen using measured ratios of oxygen - to - nitrogen found in air trapped in Antarctic ice.
https://www.sciencedaily.com/ Not exact matches
A metal - air battery is a type of fuel cell or battery that uses the oxidation of a metal with oxygen from atmospheric air to produce electricity.
The team used the data from charcoal in coal to propose that the development of fire systems through this interval was controlled predominantly by the elevated atmospheric oxygen concentration (p (O2)-RRB- that mass balance models predict prevailed.
«Not even if we let all organic material rot at the same time would the decay process use all the atmospheric oxygen.
«Scientists use the ratio of the various sulfur isotopes as their strongest evidence for atmospheric oxygen.»
Assessing the anthropogenic influence on atmospheric oxidants using the oxygen isotopic composition of sulfate and nitrate from the WAIS - Divide ice core.
New Study Finds Most Of Earth's Oxygen Used For Complaining SEATTLE — Following a multiyear study of atmospheric gases and their role in organic processes on earth, a team of researchers at the University of Washington reported this week that the majority of the oxygen on the planet is used for complaOxygen Used For Complaining SEATTLE — Following a multiyear study of atmospheric gases and their role in organic processes on earth, a team of researchers at the University of Washington reported this week that the majority of the oxygen on the planet is used for complainUsed For Complaining SEATTLE — Following a multiyear study of atmospheric gases and their role in organic processes on earth, a team of researchers at the University of Washington reported this week that the majority of the oxygen on the planet is used for complaoxygen on the planet is used for complainused for complaining.
Since December 1978, the National Oceanic and Atmospheric Administration's polar - orbiting satellites have measured upwelling microwave radiation from atmospheric oxygen, and Spencer and Christy use this data to calculate the temperature of broad volumes of the atmosphere.
Since carbon dioxide increase comes mainly from burning fossil carbon using atmospheric oxygen, as CO2 goes up, O2 goes down.
In atmospheric physics, lidar is used as a remote detection instrument to measure densities of certain constituents of the middle and upper atmosphere, such as potassium, sodium, or molecular nitrogen and oxygen.
We use the rich climate history of the Cenozoic era in the oxygen isotope record of ocean sediments to explore the relation of climate change with sea level and atmospheric CO2, inferring climate sensitivity empirically.
Related Volcanoes, Tree Rings, and Climate Models: This is how science works Fossil Focus: Using Plant Fossils to Understand Past Climates and Environments Atmospheric oxygen over Phanerozoic time Coupled carbon isotopic and sedimentological records from the Permian system of eastern Australia reveal the response of atmospheric carbon dioxide to glacial growth and decay during the late Palaeozoic Ice Age
Where trees extract CO2 from the air using photosynthesis, DAC systems extract CO2 from the air using chemicals that bind to CO2 but not to other atmospheric chemicals (such as nitrogen and oxygen).
However, a double check of the diagram shows that it doesn't distinguish between organic and inorganic C in the deep and intermediate ocean, so the total amount of organic C within the ocean that is available to be oxidized at that rate (using O2 at a rate of 0.011 % of atmospheric O2 per year) could be larger; however, oxygen depletion in the deeper ocean water wouldn't pull O2 out of the atmosphere until that water resurfaced.)
(if 20 % of geologic burial of C (0.2 Gt / year) is organic C and if that is nearly balanced by oxidation of geologic organic C, that would be a C flux of 0.04 Gt / year, which is 0.08 % of 50 Gt / year, so the oxygen depletion, as a fraction of total atmospheric O2, would be 0.08 % * 0.011 % / year = 0.0000088 % / year — or 8.8 E-6 % / year; it would take a bit more than 10 million years to use up all atmospheric O2 by such a process.