Atmospheric CO(2)
Long-term continuous atmospheric CO 2measurements at Baring Head, New Zealand
... These indicate that over the early part of the record, sys- tematic differences between Baring Head in situ and Scripps flask measurements could be as large as 0.8 ppm, but that over the more recent period, the ...
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Abrupt rise in atmospheric CO 2at the onset of the Bølling/Allerød: in-situ ice core data versus true atmospheric signals
... the CO 2 signal. The original atmospheric signal (blue) leads to a time series (red) with similar characteristics ...the CO 2 rise in the atmosphere (blue) and in EDC (black) around ...in ...
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Exploring the climatic impact of the continental vegetation on the Mezosoic atmospheric CO
... Based on these results, Berner (1990) introduced a mul- tiplying parameter in Eq. (1) (f E(t ), where t is geological time) that expresses the effects of the rise and evolution of vascular land plants on the rates of ...
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Antarctic ice-sheet response to atmospheric CO
... Shevenell et al., 2004). Superimposed on this gradual cool- ing are several shifts of a sudden increase in oxygen isotope values (δ 18 O) and a global sea-level drop (Miller et al., 1998, 2005). These events indicate ...
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Simulating low frequency changes in atmospheric CO
... Fig. 8. Analysis of single processes on atmospheric CO 2 in comparison to the CO 2 data (grey markers). All processes (scenario S1.5K, bold black) and all but one process at a time (dash red) were ...
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Remotely operable compact instruments for measuring atmospheric CO 2and CH4 column densities at surface monitoring sites
... umn density, Wilson et al. (2007) have reported that a Fabry- Perot interferometer made of quartz glass has a high enough spectral resolution for resolving the rotational photoabsorp- tion lines centred at 1575 nm ...
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Identification of spikes associated with local sources in continuous time series of atmospheric CO, CO 2and CH4
... identifying atmospheric data influenced by local emissions that can re- sult in spikes in time series of greenhouse gases and long- lived tracer ...of CO 2 , CH 4 ...
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Compiled records of carbon isotopes in atmospheric CO 2for historical simulations in CMIP6
... For Southern Hemisphere 1 14 C over 1955–2015, we use direct measurements of atmospheric 1 14 C, primarily the measurements conducted by Heidelberg University (Levin et al., 2010; Levin et al., unpublished). ...
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Thermal infrared laser heterodyne spectroradiometry for solar occultation atmospheric CO 2measurements
... recording atmospheric transmission spec- tra since 21 May 2015 and continues to operate whenever the weather ...the atmospheric transmission spec- tra recorded with the highest SNR in this period are shown ...
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Modeling global atmospheric CO 2with improved emission inventories and CO 2production from the oxidation of other carbon species
... (as for other chemical species in GEOS-Chem), but it contains a largely simplified representation of shipping routes. More updated versions of EDGAR ship emissions are expected to be better, however, EDGAR v3.0, the ...
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Improving the inter-hemispheric gradient of total column atmospheric CO 2and CH4 in simulations with the ECMWF semi-Lagrangian atmospheric global model
... transport is modelled using advection, convection and tur- bulent mixing schemes based on numerical weather predic- tion (NWP) methods. The semi-Lagrangian (SL) advection scheme is widely used in NWP (e.g. the ECMWF IFS ...
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Atmospheric CO 2monitoring with single-cell NDIR-based analyzers
... NWR CO 2 ...and Atmospheric Administration (NA080AR4310533 and NA09OAR4310064), and the National Science Foundation’s Biocomplexity in the Environment program ...for Atmospheric Research is sponsored ...
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A simple empirical model estimating atmospheric CO 2background concentrations
... SECM is based on a simple equation depending on 17 em- pirical parameters, latitude, and date. The empirical parame- ters have been determined by least squares fitting to NOAA’s (National Oceanic and Atmospheric ...
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Effect of Increased CO2 And Temperature on Growth, Photosynthesis And Lipid Content of Tropical Algae
... atmosphere. Atmospheric CO 2 levels have increased from around 270 ppm before the start of the Industrial Revolution in the early Nineteenth Century, to over 391 ppm at present ...of atmospheric ...
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The importance of terrestrial weathering changes in multimillennial recovery of the global carbon cycle: a two-dimensional perspective
... (a) atmospheric CO 2 concentrations, and weathering fluxes of DIC and alkalinity; and (b) oceanic carbon difference, sediment carbon difference, downward flux of calcite into sediments, calcite pore layer ...
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Optimization of a prognostic biosphere model for terrestrial biomass and atmospheric CO 2variability
... the observation sites is simulated using the National Insti- tute for Environmental Studies, Frontier Research Center for Global Change (NIES/–FRCGC) off-line global atmospheric tracer transport model (NIES-TM; ...
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A simple object-oriented and open-source model for scientific and policy analyses of the global climate system – Hector v1.0
... prescribed atmospheric con- centrations, except for comparisons involving atmospheric [CO 2 ] which are from the emissions-driven scenario ...
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A joint global carbon inversion system using both CO 2and13 CO 2 atmospheric concentration data
... ear operator on these fluxes. The spatial resolution of TM5 is 6 ◦ × 4 ◦ for the globe and 3 ◦ × 2 ◦ for North America, and the atmosphere is divided vertically into 25 layers with 5 lay- ers in the planetary boundary ...
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Carbon monoxide total column retrievals from TROPOMI shortwave infrared measurements
... infer atmospheric CO columns satisfying the envisaged accuracy (< 15 %) and precision (< 10 %) both for clear sky and cloudy observations with low cloud ...the CO abundance in the ...the ...
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Correlation between the Fluctuations in Worldwide Seismicity and in Atmospheric Carbon Pollution
... The atmospheric elements (C, N, O) can be regarded as the results of a set of reactions, involving Si, Al, and Mg as starting elements, that are massively triggered by tectonic ...for atmospheric CO ...
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