Sentences with phrase «such climate archives»

Not exact matches

Using different calibration and filtering processes, the two researchers succeeded in combining a wide variety of available data from temperature measurements and climate archives in such a way that they were able to compare the reconstructed sea surface temperature variations at different locations around the globe on different time scales over a period of 7,000 years.

The principle crops in the region uncovered include cereals such as corn, rice, and spring wheat in a region known to be the main grain area of China (26)[Fig. 1, with brown dots in denoting at least 50 % total coverage by crops according to the land cover type yearly climate modeling grid (CMG) datasets with 0.05 ° resolution from the NASA Land Processes Distributed Active Archive Center (LP DAAC).].

Many paleoclimate archives document climate changes that happened at rates considerably exceeding the average rate of change for longer - term averaging periods prior and after this change... A variety of mechanisms have been suggested to explain the emergence of such abrupt climate changes (see Section 12.5.5).

If you have a dark sense of humor and need a chuckle to deal with such news, particularly in light of the ongoing stasis over international and United States policy on climate and energy, have a look at Marc Roberts's latest cartoon posting, which is from his archives but all too relevant.

Recently I have been looking at the climate models collected in the CMIP3 archive which have been analysed and assessed in IPCC and it is very interesting to see how the forced changes — i.e. the changes driven the external factors such as greenhouse gases, tropospheric aerosols, solar forcing and stratospheric volcanic aerosols drive the forced response in the models (which you can see by averaging out several simulations of the same model with the same forcing)-- differ from the internal variability, such as associated with variations of the North Atlantic and the ENSO etc, which you can see by looking at individual realisations of a particular model and how it differs from the ensemble mean.

Given the importance of climate change as an issue, it remains disappointing that prompt archiving of data remains an issue with many authors and that funding agencies and journals are not more effective in enforcing existing policies or establishing such policies if existing policies are insufficient.

This study also provides observational constraints for an improved simulation of convection in models simulating present and future climate models and a better understanding of isotope variations in proxy archives, such as speleothems and tropical ice.

Adding local information, not captured in the coarse scale climate model or observational archives, can provide an improved representation of the relevant processes at this scale, and thus yield additional information, for instance concerning topography, land use or small scale features such as sea breezes or organisation of convection.

However, both the driving force and the climate reconstructions over the pre-industrial era are based on the analysis of the natural archives of climate sensitive quantities, such as the growth of trees and seashells, and the changes of chemical, biological, and isotopic compositions in lake sediments and ice core samples.

To ensure such access, the ongoing documentation of instrumentation and observing practices, the archiving of data sets, and the provision of raw and processed data sets in electronic form to the scientific community should be regarded as integral parts of the climate monitoring effort and afforded high priority in terms of funding.

and «no data or computer code appears to be archived in relation to the paper» and «the sensitivity of Shindell's TCR estimate to the aerosol forcing bias adjustment is such that the true uncertainty of Shindell's TCR range must be huge — so large as to make his estimate worthless» and the seemingly arbitrary to cherry picked climate models used in Shindell's analysis.

To gain a longer view, Dr Jones and her colleagues used a compilation of records from natural archives such as ice cores from the Antarctic ice sheet, which show how the region's climate has changed over the last 200 years.

JEG, I urge you to study the Climate Audit archives searching «yamal» and «Briffa» before you make any more such statements.

Estimates of surface temperature changes further back in time must therefore make use of the few long available instrumental records or historical documents and natural archives or «climate proxy» indicators, such as tree rings, corals, ice cores and lake sediments, and historical documents to reconstruct patterns of past surface temperature change.

The lack of widespread instrumental climate records introduces the need for the use of natural climate archives from «proxy» data such as tree - rings, corals, speleothems and ice cores, as well as documentary evidence to reconstruct climate in past centuries (see Jones et al. 2009 for a review).