منابع مشابه
Climate on Geological Time Scales
JULY 2003, GSA TODAY ABSTRACT Atmospheric levels of CO2 are commonly assumed to be a main driver of global climate. Independent empirical evidence suggests that the galactic cosmic ray flux (CRF) is linked to climate variability. Both drivers are presently discussed in the context of daily to millennial variations, although they should also operate over geological time scales. Here we analyze t...
متن کاملPaleobiology: Random Events over Geological Time.
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متن کاملTime in the Geological past of Earth
1. Geological Time: A Summary 2. Reconstruction and Relative Dating of Earth History 2.1. Early Ideas and Basic Principles 2.2. Uniformitarianism and Catastrophism 2.3. Geological Catastrophes and Events: Particular Historical Geological Phenomena 2.4. Rates of Geological Processes in Terms of Human Timescales 2.4.1. Earth Crust Movements 2.4.2. Plutonic and Volcanic Processes 2.4.3. Weathering...
متن کاملA SKOS-based multilingual thesaurus of geological time scale for interoperability of online geological maps
The usefulness of online geological maps is hindered by linguistic barriers. Multilingual geoscience thesauri alleviate linguistic barriers of geological maps. However, the benefits of multilingual geoscience thesauri for online geological maps are less studied. In this regard, we developed a multilingual thesaurus of geological time scale (GTS) to alleviate linguistic barriers of GTS records a...
متن کاملOntology-aided annotation, visualization, and generalization of geological time-scale information from online geological map services
Geological maps are increasingly published and shared online, whereas tools and services supporting information retrieval and knowledge discovery are underdeveloped. In this study, we developed an ontology of geological time scale by using a RDF (Resource Description Framework) model to represent the ordinal hierarchical structure of the geological time scale and to encode collected annotations...
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ژورنال
عنوان ژورنال: Geological Magazine
سال: 1869
ISSN: 0016-7568,1469-5081
DOI: 10.1017/s0016756800157899