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Geologic temperature record

The geologic temperature record are changes in Earth's environment as determined from geologic evidence on multi-million to billion (109) year time scales. The study of past temperatures provides an important paleoenvironmental insight because it is a component

Speed of Sound

2018/4/5The speed of sound is a constant within a given gas and the value of the constant depends on the type of gas (air, pure oxygen, carbon dioxide, etc.) and the temperature of the gas. An analysis based on conservation of mass and momentum shows that the speed of sound a is equal to the square root of the ratio of specific heats g times the gas constant R times the temperature T .

Global Temperature Report for 2020

The global mean temperature in 2020 is estimated to have been 1.27 C (2.29 F) above the average temperature of the late 19th century, from 1850-1900, a period often used as a pre-industrial baseline for global temperature targets. This is ~0.02 C cooler than in

NASA/ADS

2008/9/1The complex effects of light, nutrients and temperature lead to a variable carbon to chlorophyll (C:Chl) ratio in phytoplankton cells. Using field data collected in the equatorial Pacific, we derived a new dynamic model with a non-steady C:Chl ratio as a function of irradiance, nitrate, iron, and temperature. The dynamic model is implemented into a basin-scale ocean circulation

Warm Up – Climate Change: Vital Signs of the Planet

Test your knowledge of global temperature change and its impact on Earth's climate. Although most locations on the planet have recorded increased temperatures since 1900, changes in global ocean and atmospheric circulation patterns have created small-scale

Climate network approach reveals the modes of CO2

2021/3/3Increasing atmospheric carbon dioxide (CO 2) is expected to be the main factor of global warming.The relation between CO 2 concentrations and surface air temperature (SAT) has been found related to Rossby waves based on a multi-layer complex network approach.

Climate network approach reveals the modes of CO2

2021/3/3Increasing atmospheric carbon dioxide (CO 2) is expected to be the main factor of global warming.The relation between CO 2 concentrations and surface air temperature (SAT) has been found related to Rossby waves based on a multi-layer complex network approach.

NASA: 60 Years and Counting

Over the last 60 years, NASA has launched a variety of spacecraft to explore our solar system. The Moon, the closest celestial body to Earth, was the logical first target. Subsequent fleets of space probes started exploring other planets—those relatively close and those in the more distant reaches of our solar system—as well as comets, asteroids, and other small bodies.

NASA GISS: NASA News Feature Releases: Black

2002/9/26Black Carbon Contributes to Droughts and Floods in China Sep. 26, 2002 A new NASA climate study has found that large amounts of black carbon (soot) particles and other pollutants are causing changes in precipitation and temperatures over China and may be at least partially responsible for the tendency toward increased floods and droughts in those regions over the last several decades.

NASA

"This is especially true in the Southern Ocean, which we believe is a big sink for carbon dioxide based on existing models." While the Orbiting Carbon Observatory may be the newest NASA mission to help address the issue of ocean acidification, NASA has many other projects and missions that provide important information about ocean biology and chemistry that relates directly to this problem.

IOP Conference Series: Earth and Environmental Science PAPER OPEN ACCESS Related content Algae

IOP Conference Series: Earth and Environmental Science PAPER OPEN ACCESS Algae-Based Carbon Sequestration To cite this article: Cai Haoyang 2018 IOP Conf. Ser.: Earth Environ. Sci. 120 012011 View the article online for updates and enhancements.

We can aim to limit Carbon emissions, but will that stop

2021/5/2Like the great Amazon has become a source rather than sink for Carbon, i.e. it is now known to emit 20% more Carbon-di-oxide that it absorbs in the last few decades. For the correct modelling, functioning of biogeochemical cycles such as the carbon cycle, Nitrogen cycle etc. need to be integrated to the carbon emissions model.

NASA: Climate Change and Global Warming

Part Two: Satellites from NASA and other space agencies are revealing surprising new insights into atmospheric carbon dioxide, the principal human-produced driver of climate change. OCO-2, launched in July 2014, gathers global measurements of atmospheric

Color temperature

The color temperature of a light source is the temperature of an ideal black-body radiator that radiates light of a color comparable to that of the light source. Color temperature is a characteristic of visible light that has important applications in lighting, photography, videography, publishing, manufacturing, astrophysics, horticulture, and other fields.

The secrets of leaves

2020/12/28Worms versus leaves For carbon flux modelers, it all boils down to things that produce CO 2, and things that absorb it.That means worms, rotting plants, decomposing critters, and all manner of bacteria that exhale CO 2 are thought of as respiration. On the other

Taking the Long View: The 'Forever Legacy' of Climate

2017/9/12Climate change projections often focus on 2100. But the geological record shows that unless we rapidly reduce greenhouse gas emissions, we will be locking in drastic increases in temperatures and sea levels that will alter the earth not just for centuries, but for

WMAP

2016/2/26Before the completion of the first fraction of a second of the universe, sub-atomic scale activity, tiny quantum fluctuations, drove the universe towards stars and life. With the sudden expansion of a pinhead size portion of the universe in a fraction of a second, random quantum fluctuations inflated rapidly from the tiny quantum world to a macroscopic landscape of astronomical

Technology readiness assessments: A retrospective

2009/11/1The original TRL scale was devised within NASA by Mr. Stan Sadin of the Office of Aeronautics and Space Technology, as part of the effort to develop a "systems-technology model" for the Agency. The early versions of the TRL scale consisted of either six or seven levels, with brief one-line characterizations of the definition of each level.

NASA

Fluorescence could also lead to breakthroughs in scientists' understanding of how carbon cycles through ecosystems – -- one of the key areas of uncertainty in climate science. What's exciting about this is that we've proven the concept, said Joanna Joiner, the deputy project scientist for NASA's Aura mission and the leader of the Goddard team that created the maps.

WMAP

2016/2/26Before the completion of the first fraction of a second of the universe, sub-atomic scale activity, tiny quantum fluctuations, drove the universe towards stars and life. With the sudden expansion of a pinhead size portion of the universe in a fraction of a second, random quantum fluctuations inflated rapidly from the tiny quantum world to a macroscopic landscape of astronomical

Background: Life Cycles of Stars

2015/5/7Life Cycles of Stars A star's life cycle is determined by its mass. The larger its mass, the shorter its life cycle. A star's mass is determined by the amount of matter that is available in its nebula, the giant cloud of gas and dust from which it was born.Over time, the hydrogen gas in the nebula is pulled together by gravity and it begins to spin.

NASA

Fluorescence could also lead to breakthroughs in scientists' understanding of how carbon cycles through ecosystems – -- one of the key areas of uncertainty in climate science. What's exciting about this is that we've proven the concept, said Joanna Joiner, the deputy project scientist for NASA's Aura mission and the leader of the Goddard team that created the maps.

Transformation of the absolute solar radiation data into the

1970/11/1Corrections are given which transform the Tables of the solar radiation data (Labs and Neckel, 1968) into the 'International Practical Temperature Scale of 1968'. Additionally, for the adjustment of the data of the 'true continuum' and the corresponding line blanketing as well, the veiled line effect mentioned first by Carbon et al. (1968), but studied in more detail by Holweger (1970a

MODIS

MODIS is ideal for monitoring large-scale changes in the biosphere that are yielding new insights into the workings of the global carbon cycle. MODIS measures the photosynthetic activity of land and marine plants (phytoplankton) to yield better estimates of how much of the greenhouse gas is being absorbed and used in plant productivity.

Solar System Temperatures

2018/1/30Solar System Temperatures Average Temperature on Each Planet Planetary surface temperatures tend to get colder the farther a planet is from the Sun. Venus is the exception, as its proximity to the Sun and dense atmosphere make it our solar system's hottest planet.

The True Temperature Scale of Carbon

1928/1/1NASA/ADS The True Temperature Scale of Carbon Prescott, C. H.; Hincke, W. B. Abstract Spectral emissive power of Acheson graphite at 0.660μ.-The spectral emissive power of Acheson graphite for the wave-length 0.660μ has been determined for the

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