Data together oxygen or carbon isotopes. Medical search. Frequent questions

They looked at data recorded by the Cassini-Huygens probe to better understand the isotopic ratios in Titan's dense, hazy atmosphere . (space.com)
Outgassing and collisional processing on both worlds led to the production of molecular nitrogen-dominated atmospheres with similar isotopic ratios of hydrogen, carbon, nitrogen and oxygen. (space.com)
Chemical separation and MC-ICPMS analysis of U, Th, Pa and Ra isotope ratios of carbonates. (uni-mainz.de)
Furthermore we had a look at the variability of the annual data after 1950 (the time span of the "native SPEI") and before this year, the time span of the reconstruction of the "European hydroclimate based on a network of tree-ring stable isotopes of oxygen and carbon ratios" in MBF23. (judithcurry.com)
The carbon isotope composition of shells of this 'bivalved Methuselah' is not affected by ontogenetic trends and hence reflects synchronous changes of the carbon isotope ratios of the seawater DIC. (uni-mainz.de)
This will be achieved by collecting specimens of the planktic foraminifera Globigerinoides ruber and analysing the stable oxygen isotope ratios contained within their calcium carbonate tests (shells). (data.gov.uk)
Oxygen isotope ratios provide information about the global ice volume and global climate, and the standard record can be identified world-wide. (data.gov.uk)
Devereux I (1967) Temperature measurements from oxygen isotope ratios of fish otoliths. (springer.com)

These data represent the highest resolution seawater sulfate record ever generated for this time interval, and are broadly in agreement with previous low-resolution estimates for the latest Cretaceous and Paleocene. (nerc.ac.uk)
A vigorous assessment of CAS preservation using sulfate oxygen, carbonate carbon and oxygen isotopes and trace element data, suggests factors affecting preservation of primary seawater CAS isotopes in ancient biogenic samples are complex, and not necessarily linked to the preservation of original carbonate mineralogy or chemistry. (nerc.ac.uk)
During the early Paleocene (magnetochron C29R) a prominent negative excursion in seawater δ34S of 3-4‰ suggests that a global decline in organic carbon burial related to collapse in export productivity, also impacted the sulfur cycle via a significant drop in pyrite burial. (nerc.ac.uk)
Global Seawater Oxygen-18 Database - v1.21. (pangaea.de)
We combined benthic foraminiferal geochemistry, faunal assemblages, and pore water stable isotopes to reconstruct seawater conditions (e.g., oxygenation, temperature, and salinity) over the past 7.7 thousand years (ka). (lu.se)
Because most ancient and modern sharks are unable to maintain body temperatures significantly higher than the temperature of surrounding seawater, the isotopes in their teeth reflect temperatures that deviate little from the temperature of the ocean. (eurekalert.org)
In warm-blooded animals, however, the isotopes in their teeth record the effect of body heat produced by the animal, which is why the teeth indicate temperatures that are warmer than the surrounding seawater. (eurekalert.org)
Gao YW (2008) Decadal-scale stable oxygen isotopic variations in seawater and implications for otolith thermometer studies. (springer.com)

Stable hydrogen, oxygen, and sulfur isotope data were collected from surface water, groundwater, and bulk mill tailings samples at this mine in South Strafford, Vermont. (usgs.gov)
We report new carbonate associated sulfate (CAS) sulfur isotope data derived from marine macrofossil shell material from a highly expanded high latitude Maastrichtian to Danian (69-65.5 Ma) succession located on Seymour Island, Antarctica. (nerc.ac.uk)

Site-specific natural isotope fractionation by NMR. (chipsbooks.com)
Simulating speleothem growth in the laboratory: Determination of the stable isotope fractionation (d 13 C and d 18 O) between H 2 O, DIC and CaCO 3 . (uni-mainz.de)
Friedman I, O'Neil JR (1977) Compilation of stable isotope fractionation factors of geochemical interest. (springer.com)
Grossman EL, Ku TL (1986) Oxygen and carbon isotope fractionation in biogenic aragonite: temperature effects. (springer.com)

In particular, emphasis is given to a wide spectrum of isotope data (δ 18 O, δ 2 H, δ 13 C, δ 15 N, δ 34 S, 87 Sr/ 86 Sr, δ 11 B), which is considered useful for determining water origin as well as natural and anthropogenic impacts on riverine geochemistry. (ufz.de)
Groundwater geochemistry data from samples that were collected in June 2011 to better understand the hydrogeologic system in the area surrounding the proposed mine site. (usgs.gov)
Rock geochemistry data are provided in tabular form. (usgs.gov)
The data in the accompanying file (Moran Sed Trap HLY0902.xls) includes data corresponding to samples collected by the Moran Geochemistry Lab on the spring leg of the Bering Sea. (ucar.edu)
The data in the dataset corresponds to samples collected by the Moran Geochemistry Lab on the summer leg of the Bering Sea Ecosystem Study-Bering Sea Integrated Ecosystem. (ucar.edu)
In: Fleischer M (ed) Data of geochemistry. (springer.com)

Here, we provide continuous observational data of the hydrodynamic regime (recorded using two benthic landers) and point measurements of the carbonate and nutrient systems from five Lophelia pertusa reefs in the Langenuen Fjord, southwestern Norway, from 2016 to 2017. (mdpi.com)
We will analyse the upper 7 m of Hole U1396C, at low resolution, for stable oxygen isotopes of the benthic foraminifera Cibicidoides spp. (data.gov.uk)
Oxygen isotope stratigraphies based on both planktonic and benthic foraminifers are presently in development for this site. (iodp.org)
2009). Planktonic oxygen isotope data from a number of planktonic foraminifer species are compared with benthic oxygen and carbon isotope data, yielding a unique picture of surface and deep water evolution during marine isotope stage (MIS) 5 (Hodell et al. (iodp.org)

and for planktic foraminifera datum species. (data.gov.uk)
Planktic foraminifera stable carbon and oxygen isotope records of IODP Hole 3. (eudat.eu)
Carbon and oxygen isotopic composition of planktic foraminifera spanning the early and middle Eocene succession recovered from borehole 16/28-Sb01. (nerc.ac.uk)

Geochemical, geochronologic, and isotopic data for zircons and zircon-hosted melt and mineral inclusions in order to asses the genesis of the Pea Ridge iron oxide-apatite deposit and related centers in this terrane. (usgs.gov)
During growth bivalves record environmental changes in their shells in the form of variable increment widths (= variable growth rates) and variable geochemical properties including stable isotopes and trace elements. (uni-mainz.de)

Nelson CS, Northcote TG, Hendy CH (1989) Potential use of oxygen and carbon isotopic composition of otoliths to identify migratory and non-migratory stocks of the New Zealand common smelt: a pilot study. (springer.com)

According to Chris McKay, a planetary scientist at NASA's Ames Research Center, comets may have made small contributions to the water, carbon dioxide, and nitrogen content of the Earth's early atmosphere, "but they were not the main source. (space.com)
Increasing carbon dioxide (CO 2 ) emissions drive ongoing ocean acidification (OA) and place marine ecosystems in a vulnerable state 1 . (nature.com)
Oxygen and Carbon Dioxide Rhythms Are Circadian Clock Controlled and Differentially Directed by Behavioral Signals. (sablesys.com)
The car port is expected to provide a significant proportion of the energy needs for the site for at least 25 years, significantly reducing carbon dioxide (CO 2 ) emissions. (bgs.ac.uk)
Distribution of Subsurface Carbon Dioxide Ice at Different Obliquities. (open.ac.uk)
The Penetration of Solar Radiation into Water and Carbon Dioxide Snow, with reference to Mars. (open.ac.uk)
The Penetration of Solar Radiation into Carbon Dioxide Ice. (open.ac.uk)
It contains roughly 78% nitrogen , 21% oxygen , 0.97% argon, 0.04% carbon dioxide, and trace amounts of other gases, in addition to water vapor. (solarnavigator.net)
Physicist Russell Humphreys has argued that recent warming has occurred, but that it is not a reason for panic and that higher atmospheric carbon dioxide levels likely contributed to abundant vegetation in the pre-Flood world. (creation.com)
Much of the concern over 'global warming' or 'climate change' results from computer models that predict continued increases in global surface temperatures as a result of increasing atmospheric carbon dioxide. (creation.com)
Then we can see how temperature and carbon dioxide levels have developed, and how the climate has varied between ice ages and warm periods over the past 150,000 years. (lu.se)
You will have the chance to pull up a core sample from the glaciers in Greenland and carry out measurements to read the temperature and carbon dioxide levels for the past 150 000 years. (lu.se)
To uncover historical climate data, researchers look at air bubbles preserved in the ice that contain 'old air' - by measuring the levels of carbon dioxide in these bubbles it is possible to compare historical levels with current carbon dioxide levels in the atmosphere (we currently have approximately 400 ppm CO 2 ). (lu.se)
Changes in environmental conditions (e.g., humidity, light, oxygen, and carbon dioxide) influence microbial growth in indoor environments. (cdc.gov)

insights from noble gases and carbon, hydrogen and oxygen isotope tracers. (uni-heidelberg.de)
Naturally occurring isotopes (tritium, carbon-13, carbon-14 [abundance], stable isotopes of hydrogen and oxygen in water, stable isotopes of nitrogen and oxygen in nitrate, chlorine-37, and bromine-81), and dissolved noble gases also were measured to help identify the source and age of the sampled ground water. (usgs.gov)

Together with oxygen and hydrogen isotopes, which are strictly related to the climatic conditions (precipitation, temperature, humidity), the carbon, sulphur, strontium and boron signatures can describe the magnitude of rock weathering, which is in turn linked to the climatic parameters. (ufz.de)
Here, we present the results of zinc (Zn), strontium (Sr), carbon (C), and oxygen (O) isotope and trace element ratio analysis measured in dental enamel on a Pleistocene food web in Gabasa, Spain, to characterize the diet and ecology of a Middle Paleolithic Neandertal individual. (mpg.de)
Samples were analyzed to determine the ratio of strontium to calcium, along with levels of the isotopes carbon-13 and oxygen-18. (bibliotecapleyades.net)
Gauldie RW, West IF, Coote G, Merrett N (1995) Strontium variation and the oxygen isotope water temperature record in the otoliths of the deep water fishes Trachyrincus murrayi and Coryphaenoides mediterraneus . (springer.com)

1980. Measurements of emission rates of carbon disulfide from biogenic sources and its possible importance to the stratospheric aerosol layer. (cdc.gov)

Extreme events, such as the culmination of the Little Ice Age, the aftermaths of the global volcanic eruption can clearly be identified in the growth, stable isotope and trace element record of the shells. (uni-mainz.de)

ISOLUTION 1.0: an ISOtope evoLUTION model describing the stable oxygen (d 18 O) and carbon (d 13 C) isotope values of speleothems. (uni-mainz.de)
The SISAL database: a global resource to document oxygen and carbon isotope records from speleothems. (uni-mainz.de)
The SISAL database contains oxygen and carbon isotope data from speleothems worldwide. (ipsl.fr)

Trigo-Rodriguez and Martin Torres studied how hydrogen, carbon, nitrogen and oxygen isotopes reacted with their environments on Earth and Titan. (space.com)

By using the trace elemental composition (Mg/Ca, Mn/Ca, and Ba/Ca) and stable carbon and oxygen isotopes of foraminiferal species Elphidium selseyensis and E. clavatum, we identified that generally warming and hypoxia occurred between about 7.5 and 3.3 ka BP, approximately coinciding in time with the Holocene Thermal Maximum (HTM). (lu.se)

This dataset contains data for stable carbon and nitrogen isotope values of particulate organic matter (POM) collected from the Conductivity Temperature Depth (CTD) rosette. (ucar.edu)
This dataset contains rosette bottle data from the U.S. Coast Guard Cutter Healy 09-01 cruise in March 2009, including salinity, temperature, macronutrients and stable oxygen. (ucar.edu)
This Conductivity Temperature Depth (CTD) data set, consisting of 210 casts, was collected during a multi-disciplinary Bering Sea ice cruise on the US Coast Guard Cutter Healy. (ucar.edu)
After analyzing isotopes in the tooth enamel of the ancient shark, which went extinct about 3.6 million years ago, the scientists concluded the megalodon could maintain a body temperature that was about 13 degrees Fahrenheit (about 7 degrees Celsius) warmer than the surrounding water. (eurekalert.org)
But without data from the soft tissues that drive body temperature in modern sharks, it has been difficult to determine if or to what extent megalodon was endothermic. (eurekalert.org)
This claim has already been challenged, 13 and many were quite suspicious of this revision to the temperature data that retroactively 'erased' the pause. (creation.com)
The temperature can be recreated by looking at the relationship between different oxygen isotopes (that is, different kinds of oxygen atoms). (lu.se)
1989. Determination of room temperature OH rate constants for acetylene, ethylene dichloride, ethylene dibromide, p-dichlorobenzene, and carbon disulfide. (cdc.gov)
Rate constants for the reaction of hydroxyl radicals with carbonyl sulfide, carbon disulfide and dimethyl thioether over the temperature range 299-430 K. (cdc.gov)

Quality-control samples (blanks or replicates, or samples for matrix spikes) were collected from approximately 26 percent of the wells, and the analyses of these samples were used to evaluate the quality of the data for the ground-water samples. (usgs.gov)
Stable isotopic analyses of carbon, oxygen, and sulfur in multiple rocks and cores of this area refine a model of ore formation in this mineral deposit. (usgs.gov)
The characterization of Neandertals' diets has mostly relied on nitrogen isotope analyses of bone and tooth collagen. (mpg.de)
It uses the method of "stable isotope analyses C13/O18" to extend the " Standardised Precipitation-Evapotranspiration Index (SPEI) from 1950 to now back to 1600. (judithcurry.com)

Schwarcz HP, Gao Y, Campana S, Browne D, Knyf M, Brand U (1998) Stable carbon isotope variations in otoliths of cod ( Gadus morhua ). (springer.com)

This will assist in constructing the low resolution stable isotope and biostratigraphic framework for the remainder of this Hole. (data.gov.uk)
2008). Biostratigraphic datums were mainly derived from coccoliths and are consistent with datums provided by diatoms, planktonic foraminifers, dinoflagellate cysts, and magnetostratigraphy. (iodp.org)
In this study we assess the integrated biostratigraphic and chemostratigraphic framework for the Ordovician sequence at Lanna, utilizing trilobites and conodonts coupled with bulk-rock carbon and oxygen isotopes (δ 13 C carb and δ 18 O carb ). (lu.se)
In this study we assess the integrated biostratigraphic and chemostratigraphic framework for the Ordovician sequence at Lanna, utilizing trilobites and conodonts coupled with bulk-rock carbon and oxygen isotopes (δ13Ccarb and δ18Ocarb). (lu.se)

The dataset contains 15 plots and data for time-dependent pressures and temperatures at various locations along a 2582-m-long well and at various simulation times. (nerc.ac.uk)

The expanded use of fossil fuels since 1960, resulting in a strong shift toward more negative values of carbon isotopes, is recorded in these shells. (uni-mainz.de)
Other research foci are on developing new and optimizing existing proxies for environmental change from trace elements and non-traditional stable isotopes of molluskan shells. (uni-mainz.de)

Bottom water salinity in the Little Belt reconstructed from modeled pore water oxygen isotope data increased between 7.7 and 7.5 ka BP as a consequence of the transition from freshwater to brackish-marine conditions. (lu.se)
Text data capturing pore fluid pressures (upstream and downstream), axial stress, axial and radial displacement were conditioned and logged by a high-speed data acquisition unit (NI-DAQ 6341) recording data at 10kHz. (nerc.ac.uk)

The updated biosphere map for the UK will allow users to identify sulphur isotope variations. (bgs.ac.uk)
Now, new research may have provided just that evidence, with data demonstrating that solar variations have had major effects on the earth's climate as recent as 2,000 years ago. (bibliotecapleyades.net)
Aside from the trend toward elevated CO 2 levels, shell carbon isotopes indicate strong subseasonal to multidecadal variations of the primary productivity. (uni-mainz.de)
Craig H, Gordon LI (1965) Deuterium and oxygen-18 variations in the ocean and the marine atmosphere. (springer.com)
Gao YW, Beamish RJ (2003) Stable isotope variations in otoliths of Pacific halibut ( Hippoglossus stenolepis ) and indications of the possible 1990 regime shift. (springer.com)

Extrinsic sources of carbon for the host include zooplankton and particulate organic carbon (POC) 17 . (nature.com)

Constraints for precise and accurate fluid inclusion stable isotope analysis using water-vapour saturated CRDS techniques. (uni-heidelberg.de)
Our unique raw data storage protocol means there are no hidden algorithms or pre-conditioning of data - just fully traceable and transparent results that are available anytime for re-analysis. (sablesys.com)
You'll get expert assistance from our knowledgeable team members every step of the way, from system configuration and experimental design, through setup, execution, data analysis, and ongoing support. (sablesys.com)
Spectral analysis of the data revealed cycles with periods corresponding to harmonics of the 1500-year Bond Events, a cycle triggered by weak solar activity which results in dramatic cooling and the occurrence of 'IRD' events -- ice raft debris forming in the Atlantic. (bibliotecapleyades.net)
Shell oxygen isotope data permitted a detailed and quantifiable analysis of the effects of global warming in surface waters and deeper settings. (uni-mainz.de)
Stable isotope analysis - Stable isotopes of Oxygen, Hydrogen (Deuterium), Carbon and Nitrogen will be used treconstruct the fundamental parameters of past environments and dietary foodwebs. (ahobproject.org)
8 And atmospheric scientist (and former researcher at the Institute for Creation Research) Larry Vardiman did his own independent analysis of three different data sets and concluded that global warming had probably been occurring for the past 30-50 years. (creation.com)
In the analysis of the data elaborate Doppler corrections routines have been developed using both the segmentation of the CLARION detectors and the total energy deposited in the ion chamber. (lu.se)
The total number of citations at the time of data analysis was 21,109, with an average of 12.3 citations per each documents and median (interquartile range) of 4 (1-14). (who.int)
The on the quantitative level of NP biodistribution, an analysis aerosol was diluted with nitrogen and--for rat exposures-- is required taking into account NP retention in the entire with oxygen adjusted to obtain 20% oxygen and the synthetic organism as well as the excretion. (cdc.gov)
Read Carefully before Using The Public Health Service Act (Section 308 (d)) provides that the data collected by the National Center for Health Statistics (NCHS), Centers for Disease Control and Prevention (CDC), may be used only for the purpose of health statistical reporting and analysis. (cdc.gov)
Use the data in this dataset for statistical reporting and analysis only. (cdc.gov)
Please note the following important points concerning analysis of NAMCS data on this micro-data file: PATIENT VISIT WEIGHT - Micro-data file users should be fully aware of the importance of the 'patient visit weight' and how it must be used. (cdc.gov)

As part of the 'Chemical Weathering and Organic Carbon Export From Arctic Watersheds, North Slope, Alaska' project, surface water samples were collected from rivers near the Toolik Field Station between April and October in 2009 and 2010. (ucar.edu)
The 13 C shift may reflect changes in global storage of organic carbon indicated by coal-volume changes in the Late Permian. (tamu.edu)

In addition, 17 radioactive isotopes have been discovered, ranging from 15 Ne to 34 Ne , all short-lived. (wikipedia.org)
Light radioactive neon isotopes usually decay to fluorine or oxygen, while heavier ones decay to sodium. (wikipedia.org)
Alpha particle ( ionizing radiation ) - two neutrons and two protons bound as a single particle (a helium nucleus) that is emitted from the nucleus of certain radioactive isotopes in the process of disintegration. (cdc.gov)
Background radioactivity - radioactive elements in the natural environment including those in the crust of the earth (like radioactive potassium, uranium, and thorium isotopes) and those produced by cosmic rays. (cdc.gov)
Beta particle ( ionizing radiation ) - a charged particle emitted from the nucleus of certain unstable atomic nuclei (radioactive isotopes), having the charge and mass of an electron. (cdc.gov)

Geochronology - Established dating techniques will be used tconstrain the chronology and tie in biostratigraphical models with the independent marine isotope and polar ice core records. (ahobproject.org)

Atomic mass marked #: value and uncertainty derived not from purely experimental data, but at least partly from trends from the Mass Surface (TMS). (wikipedia.org)
Assess experiment progress through live data evaluation and comparison of experimental and control groups. (sablesys.com)
Experimental determination of the proportion of a given stable oxygen isotope in a sample. (usgs.gov)
If needed, you may download from the home page a short document (in Swedish) describing the handling and propagation of uncertainties in experimental data. (lu.se)

1986. Carbon disulphide. (cdc.gov)

This data set provides snow depth measurements in the study area at Toolik Station, Alaska, taken once yearly on May 2nd, for the years 1995 through 2001. (ucar.edu)
These data were collected from process stations and other stations where bulk chlorophyll (Chl) measurements were taken on the following Bering Sea Ecosystem Study-Bering Sea. (ucar.edu)
our limited evaluation suggests that the BedMachine product may be sufficient at other Transantarctic outlets where bed measurements are not available, but that other compilations of bed topography data that do not include information about ice flow directions do not provide reliable results. (usap-dc.org)
Data include a set of elastic wave first arrival times, obtained from time of flight measurements using an array of piezoelectric transducers and the cross-correlation method detailed in Brantut (2015) (see reference above). (nerc.ac.uk)
The data that is used for climate reconstructions comes from measurements from Greenland and Antarctica, where the ice cap is over 3000 metres thick and can be used to look at climate change as far back as 400 000 years ago. (lu.se)

Assessment of the quality-control results showed that the quality of the environmental data was good, with low bias and low variability, and as a result, less than 0.1 percent of the analytes detected in ground-water samples were censored. (usgs.gov)
Environmental tracer data from surface water and groundwater samples to date groundwater and define groundwater flow paths and recharge sources in Redwell Basin. (usgs.gov)
Chemical data from stream water, groundwater, and soil samples collected in 2019 and 2020 in this area. (usgs.gov)
Data from a tracer study is included as tool for understanding sources and loading rates of metals affecting stream water quality in a watershed affected by legacy mining and natural sulfide-weathering. (usgs.gov)
The oxygen and carbon isotope distribution in the Mediterranean water masses. (pangaea.de)
Water isotopes (δ¹⁸O) of firn core RID-75 from Roosevelt Island drilled in au. (eudat.eu)
Oxygen says something about the water they were drinking. (wyomingpublicmedia.org)
Ice and water normally have different distributions of the different oxygen isotopes, so it is possible to see that the balance has varied if there has been a lot of ice (cold climate) or lots of water (warm climate). (lu.se)
CP chann el.10±12 Most or all of these water mol- data, show that they are smaller than previously ecules are likely to be involved directly in the pro- thought. (lu.se)
but state regulations vary widely, and there is no requirement to report well water monitoring data at a national level.9 The U.S. Geological Survey (USGS) is the nation's primary agency providing information and research on groundwater resources. (cdc.gov)
Although not a regulatory agency, the USGS collects data about water resources, water use, surface water, ground- water, and contaminant movement through these resources. (cdc.gov)

We examined the natural variability of carbon and nitrogen isotopes in the symbiotic sea anemone Anemonia viridis to investigate dietary shifts (autotrophy/heterotrophy) along a natural p CO 2 gradient at the island of Vulcano, Italy. (nature.com)
Separating isotopic impacts of karst and in-cave processes from climate variability using an integrated speleothem isotope-enabled forward model. (uni-mainz.de)

These data are suspended particulate nutrient concentrations on the following cruises: HLY0903, KN195, TN249, TN250. (ucar.edu)

Together with a decrease in the difference between δ 13 C values of both fractions at the higher p CO 2 sites, these results indicate there is a greater net autotrophic input to the A. viridis carbon budget under high p CO 2 conditions. (nature.com)
Generate high-resolution gas analyzer data that delivers the most accurate indirect calorimetry values, so you can answer the toughest research questions. (sablesys.com)
Based on the extremely low δ66Zn value observed in the Neandertal's tooth enamel, our results support the interpretation of Neandertals as carnivores as already suggested by δ15N isotope values of specimens from other regions. (mpg.de)
Recovery of the sulfur cycle to pre-extinction values occurs at the same time (∼320 kyrs) as initial carbon cycle recovery globally. (nerc.ac.uk)
Values are a composite of data previously reported by Shackleton et al. (eudat.eu)
The researchers hypothesized that any difference between the isotope values of the megalodon and those of other sharks that lived at the same time would indicate the degree to which the megalodon could warm its own body. (eurekalert.org)
A significant contribution of g mes to leaf carbon isotope discrimination values was observed. (afs-journal.org)

Late Pleistocene and Holocene groundwater flow history in the Baltic Artesian Basin: a synthesis of numerical models and hydrogeochemical data. (uni-heidelberg.de)

The purpose of this paper is to investigate dietary changes of A. viridis using isotopic compositions, particularly carbon source shifts in the anemone metabolism, in response to high p CO 2 /low pH conditions in situ . (nature.com)

Coupling these data with other climate proxies increases the accuracy and precision of paleoclimate interpretations ( Fairchild and Baker, 2012 ). (geoscienceworld.org)
Singer tells Daily Tech that this new study provides further evidence for a 1500-year Climate cycle, the evidence for which was first discovered in ice core data. (bibliotecapleyades.net)
A study from NASA s Goddard Space Flight Center in Greenbelt, Maryland looking at climate data over the past century has concluded that solar variation has made a significant impact on the Earth's climate. (bibliotecapleyades.net)
Submissions exploring proxy data and/or modelling work are welcomed, as this session aims to bring together proxy-based, theoretical and/or modelling studies focused on global and regional climate responses to astronomical forcing at different time scales in the Phanerozoic. (copernicus.org)

A main component of teeth is a mineral called apatite, which contains atoms of carbon and oxygen. (eurekalert.org)
Like all atoms, carbon and oxygen can come in "light" or "heavy" forms known as isotopes, and the amount of light or heavy isotopes that make up apatite as it forms can depend on a range of environmental factors. (eurekalert.org)

Results Data obtained in 1997 are combined with updated records from the only previous survey (in 1964) to provide a baseline description of the flora of the archipelago, which currently includes 1 phanerogam, 38 mosses, 11 liverworts, 5 basidiomycete fungi, 41 lichenised fungi and 16 diatoms with, additionally, several taxa identified only to genus. (bas.ac.uk)
Speleothem paleoenvironmental proxy records focus on stable oxygen and carbon isotope time series (δ 18 O and δ 13 C, respectively) (e.g. (geoscienceworld.org)
This time-series reflects clear decadal and multi-decadal oscillations in the growth and stable isotope records which can be related to the North Atlantic Oscillation and the North Atlantic SST Tripole Index. (uni-mainz.de)
This dataset includes all records on euphausiid measured lengths and their subsequent conversions to wet, dry, carbon and nitrogene weights. (ucar.edu)
Gao YW (2002) Regime shift signatures from stable oxygen isotopic records of otoliths of Atlantic cod ( Gadus morhua ). (springer.com)
Qunf Cave oxygen isotope (Î´18Oc) record from southern Oman is one of the most significant of few Holocene Indian summer monsoon cave records. (bvsalud.org)
The new high-resolution δ 13 C and δ 18 O data are broadly consistent with other chemostratigraphic records at the regional scale, but notable differences in δ 13 C are obvious compared to global records. (lu.se)

DAVID WILLIAMS: So a tooth sample is a bone material made of appetite which has oxygen and carbon in it. (wyomingpublicmedia.org)
AHTONE: Williams says carbon provides insight into what a person was eating when they formed tooth material. (wyomingpublicmedia.org)
When compared to data from a tooth sample, it tells researchers where in the world that tooth was formed. (wyomingpublicmedia.org)

Six different scenarios are considered: three different injection durations (linear ramp-up of the inlet mass flow rate from 0 to 33.5 kg/s over 5 minutes, 30 minutes, and 2 hours) and two different upstream temperatures (278.15 K and 283.15 K). Data is currently restricted until publication. (nerc.ac.uk)

To show that also the claim in the Abstract ("2015-2018 highly unusual") is not true we had a deeper look in the data and calculated those 4 years averages over the whole timespan. (judithcurry.com)
METHODS: Data were searched for documents with specific words regarding paracetamol poisoning as 'keywords' in the title or/and abstract. (who.int)

METHODS: By using data from the 2012 National Youth Tobacco Survey, structural equation modeling was performed in 2013. (who.int)

The critical data was obtained from an 8-inch long stalagmite from a cave in West Virginia. (bibliotecapleyades.net)

NOAA issued a press release stating the 'death' of the pause just as the United States Environmental Protection Agency (EPA) was preparing to issue a 'Clean Power Plan' designed to reduce carbon emissions by existing power plants. (creation.com)

Generating our own electricity via solar energy means that, as an organisation, we'll be emitting less CO 2 into the atmosphere, reducing our carbon footprint and increasing our sustainability credentials. (bgs.ac.uk)

WILLIAMS: In the 1960's the International Atomic Energy Agency of the United Nations began a sampling network across the world of collections of precipitation, and those samples have been analyzed for their oxygen and hydrogen isotope characteristics. (wyomingpublicmedia.org)

Anatomy3

Organisms13

Diseases3

Chemicals and Drugs48

Analytical, Diagnostic and Therapeutic Techniques and Equipment16

Phenomena and Processes41

Disciplines and Occupations2

Anthropology, Education, Sociology and Social Phenomena3

Technology, Industry, Agriculture1

Humanities1

Information Science2

Health Care12

Geographicals1

Ratios8

Seawater8

Sulfur isotope data2

Fractionation4

Geochemistry6

Benthic4

Foraminifera3

Geochemical2

Isotopic composition1

Dioxide14

Hydrogen and oxygen2

Strontium4

Biogenic1

Trace element1

Speleothems3

Nitrogen and oxygen1

Foraminiferal1

Temperature9

Analyses4

19981

Biostratigraphic4

Dataset contains1

Shells2

Pore2

Variations5

Particulate organic carbon1

Analysis13

Organic carbon2

Radioactive5

Geochronology1

Experimental4

19861

Measurements5

Water11

Variability2

Nutrient1

Values7

Synthesis1

Shifts1

Climate4

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Records7

Tooth3

Temperatures1

Abstract2

Methods1

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Precipitation1