نتایج جستجو برای: etc for continental
تعداد نتایج: 10381652 فیلتر نتایج به سال:
In a previous paper, we derived plate tectonic models for continental accretion from the early Archaean (3800 m.y.B.P.) until the present. The models are dependent upon the number of continental masses, the seafloor creation rate and the continental surface area. The models can be tested by examining their predictions for three key geological indicators: sea level changes, stable isotopic evolu...
Introduction: The objective of our research project is to develop data mining and knowledge discovery in databases (KDD) techniques, using the “Data to Knowledge” (D2K) platform developed by National Center for Supercomputing Application (NCSA), to facilitate analysis, visualization and modeling of land-surface variables obtained from the TERRA and AQUA platforms in support of climate and weath...
The Multiple Sclerosis Journal’s (MSJ) open access companion, Multiple Sclerosis JournalExperimental, Translational and Clinical (MSJETC), reached its one-year anniversary in January 2016. MSJ-ETC was launched because of the steadily increasing activity of MSJ and its inability to publish all of the high quality, interesting manuscripts that were received. MSJ-ETC also allowed us the opportunit...
[1] Climate models suggest an important role for land-atmosphere feedbacks on climate, but exhibit a large dispersion in the simulation of this role. We focus here on the role of continental recycling in the intraseasonal variability of continental moisture, and we explore the possibility of using water isotopic measurements to observationally constrain this role. Based on water tagging, we des...
Constraints on continental crustal mass loss via chemical weathering using lithium and its isotopes.
Chemical weathering, as well as physical erosion, changes the composition and shapes the surface of the continental crust. However, the amount of continental material that has been lost over Earth's history due to chemical weathering is poorly constrained. Using a mass balance model for lithium inputs and outputs from the continental crust, we find that the mass of continental crust that has be...
in this study, depositional environment and provenance of sandstones of the surijeh formation (lower cretaceous) in the abgarm section in the kopet-dagh basin are investigated. analysis of sedimentary facies in this section shows that there are two clastic (continental and coastal plain) and two carbonate (coastal plain) facies associations are present. the results of modal analysis and geochem...
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