CO2 concentration
The impact of spatiotemporal variability in atmospheric CO2 concentration on global terrestrial carbon fluxes
... Because terrestrial carbon dynamics are greatly influenced by atmospheric forcing e.g., air temperature, precipitation, radiation, humidity, CO2 concentration, quantifying the sensitivit[r] ...
18
Micropuncture determination of pH, PCO2, and total CO2 concentration in accessible structures of the rat renal cortex
... Previous studies evaluating the mechanism of renal HCO-3 reabsorption have assumed equilibrium between systemic arterial blood and tubular fluid PCO2. We have recently reported that the PCO2 in proximal and distal ...
8
A statistical analysis of three ensembles of crop model responses to temperature and CO2 concentration
... 3 shows the effect of climate change at one site for maize Fig.3B, wheat 401 Fig.3D, and rice Fig.3F yields under increasing levels of CO2 concentration, ranging from 402 0 to +360ppm fr[r] ...
22
Does Long-Term Elevation of CO2 Concentration Increase Photosynthesis in Forest Floor Vegetation? (Indiana Strawberry in a Maryland Forest).
... Osborne, C.P., Drake, B.G., LaRoche, J. et al. (1 more author) (1997) Does Long-Term Elevation of CO2 Concentration Increase Photosynthesis in Forest Floor Vegetation? (Indiana Strawberry in a Maryland ...
9
Serum total CO2 concentration ([total CO2]) falls as GFR
... Metabolic acidosis is a feature of chronic kidney disease (CKD), but whether serum bicarbonate concentration is influenced by variations in dietary protein intake is unknown. For assessing the effect of diet, data ...
6
Spatial Distribution of CO2 Concentration over South America during ENSO Episodes by Using GOSAT Data
... Scripps Institution of Oceanography in March of 1958 at a facility of the National Oceanic and Atmospheric Administration [33]. Data are reported as a dry mole fraction defined as the number of molecules of carbon dio- ...
11
Measurement of CO2 concentration and temperature in an aero engine exhaust plume using wavelength modulation spectroscopy
... Figure 8 shows an experimentally obtained 2f/1f signal using a 15 mA current modulation amplitude and a tem- perature of 200°C, which is the approximate temperature measured from the engine exhaust in section IV, and a ...
9
Relationship between Atmospheric CO2 Concentration and Vegetation in a Hospital Area: The Policlinico Umberto I in Rome
... contexts, such as public urban spaces, residential settings, schools and hospitals shows that a view of the greening enhances health and reduces stress [13]. Moreover, research on urban parks demonstrates a positive ...
12
New constraints on atmospheric CO2 concentration for the Phanerozoic
... Model Boundaries and Sensitivity We utilize the robust mathematical relationship between ca, net CO2 assimilation rate An, total conductance to CO2 gctot, and leaf intercellular CO2 conc[r] ...
10
Effects of elevated CO2 concentration and increased temperature on leaf quality responses of rare and endangered plants
... carbon concentration for six of the seven species studied in ...carbon concentration of woody plants grown in the treatment was increased by ...bon concentration in 2009 whereas those species had ...
11
Coupling between the Changes in CO2 Concentration and Sediment Biogeochemistry in Mudflat of Salinas de San Pedro, California, USA
... metal concentration of mudflat sediments, another set of samples were taken in 2009, using a core sampling device to collect samples at depth of 0 - 10 and 10 - 20 ...
8
Diurnal and Seasonal Variations of Carbon Dioxide (CO2) Concentration in Urban, Suburban and Rural Areas around Tokyo-City
... seasonal variation of CO 2 concentration presented by this study for urban, suburban, and woodland. 205[r] ...
10
The interaction of CO2 concentration and spatial location on O2 flux and mass transport in the freshwater macrophytes Vallisneria spiralis and V americana
... The ecophysiological processes of aquatic organisms are diverse, and the form and rate of these processes vary within and among species (Phillips and Hurd, 2004; Nishihara et al., 2005; Badgley et al., 2006). In the case ...
11
Simulating the atmospheric CO2 concentration across the heterogeneous landscape of Denmark using a coupled atmosphere–biosphere mesoscale model system
... Moreover, the higher values of about 0.5 ppm in the concentration roses of the marine contribution to the atmospheric CO2 concentrations at the Risø campus tower site in winter likewise [r] ...
20
Enzyme activity highlights the importance of the oxidative pentose phosphate pathway in lipid accumulation and growth of Phaeodactylum tricornutum under CO2 concentration
... hanced activity and mRNA expression of G6PDH and 6PGDH were observed, except for increased lipid accumu- lation, which indicated that OPPP activity was enhanced. In a study of Chlorella, Xiong et al. [31] found that ...
11
The effect of increased atmospheric temperature and CO2 concentration during crop growth on the chemical composition and in vitro rumen fermentation characteristics of wheat straw
... plant production due to higher rates of photosynthesis and water utilization and reduces grain protein concentration, which results in lower grain quality [4]. Meanwhile, the duration of a plant’s developmental ...
8
Photoperiod and Nitrogen Supply Limit the Scope of Northward Migration and Seed Transfer of Black Spruce in a Future Climate Associated with Doubled Atmospheric CO2 Concentration
... North America tree species by as much as 10 degrees. However, climate envelope models do not take into account changes in other factors that may also influence the survival and growth of plants at the predicted new ...
13
Prediction of CO2 Concentration in Korea Train Express (KTX) Cabins
... rush-hour concentration cited in the “Recommendation Criteria for Indoor Air Quality of Public Transportation ...2 concentration of the Suseo-Busan line was ...
5
Sensitivity of a leaf gas-exchange model for estimating paleoatmospheric CO2 concentration
... Figure 1. Published CO 2 estimates using the Franks model for extant plants for which the physiological inputs A 0 (assimilation rate at a known CO 2 concentration) and/or g c(op) /g c(max) (ratio of operational ...
15
Multichannel measuring system for profile monitoring of CO2 concentration in cultivation equipment
... DESCRIPTION OF THE MEASURING SYSTEM The structural scheme of the constructed measuring sy- stem is shown in Fig. 1. Eight air accepting probes (AAP1 ÷ AAP8) serve for profile measurements of CO 2 concentra- tion in the ...
6