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Advances in Geophysics, Volume 12 - PDF Free Download
Email or Customer ID. Understanding tides and earthquakes was challenging because of the difficulty of organizing the results of observations within scientific frameworks in ancient times. Geophysicist pioneers were aware that the accumulation of accurate data was the basis of the development of their scientific theories. Their work contributed to the definition of international standards for fundamental length units, a basis of physics.
The discovery of geomagnetism relied on the accumulation of the observation data including the intensity and direction of the geomagnetic field. Analysis of the observation data of seismic waves contributed to the foundation of seismology. Currently, the systematic and comprehensive study of the Earth and geospace has become the focal point for geophysicists.
It includes researching the hydrosphere, atmosphere, ionosphere, magnetosphere, terrestrial space, the solar-terrestrial relationship, and planetary geophysics. It also includes the integration of the branches of geophysics such as geomagnetism, geoelectricity, geothermics, geodynamics, and seismology. Many data bank systems were established on theoretical geophysics, environmental geophysics, and exploration geophysics.
The geophysical data we have accumulated so far include the data recorded in logbooks and on modern electronic devices. Some of the data are quantified values. Also, some of the data are literal descriptions of earthquakes and auroras that were recorded in ancient books historic documents. In the past, scientists used words and pictures to record the details of nature physical phenomena such as earthquakes, auroras, meteors, comets, and eclipses.
Now, scientists record these events by taking photographs and videos. In summary, with the rapid development of information techniques, more and more new types of geophysical data have become available, and the total amount of the geophysical data has increased explosively. These data have become the basis of geophysical informatics. Observation data about geophysical phenomena has been accumulating over the centuries.
Nowadays, advanced geophysical observation platforms have become more and more important for the development of geophysics. Those platforms that have multi-dimensions, large space range, high resolution, longer persistent observation time, and shorter time intervals between each observation are necessary for modern geophysics research. These include a national marine survey, a national aerial survey, and a global survey of the Earth, oceans, and space by ships, airplanes, and satellites. The system also includes various observatories, automatic observation stations, and seafloor seismometers.
In addition, the observation platforms built for specific projects such as mining, resource surveys, and engineering surveys supply data for geophysical research.
Those observation stations that have been built or will be built on the moon and the planets are also part of the geophysical observation system. These data all need to be transformed, verified, and analyzed. Effectively processing the data is a huge challenge for the modern geophysical observation system. The development of electronic information techniques and science has provided many effective tools and methods to the observation system.
As more and more tools are used by the geophysicist processing the observation data, geophysical informatics develops rapidly. Information systems based on the geophysical observatories network and internet databases gradually increased.
These databases covered most fields of geophysics, including: 1 basic Earth and planetary physical parameters, 2 geomagnetic data, including data from geomagnetic observatories, geomagnetic surveys, and paleomagnetism, 3 gravity data, 4 geothermics data, 5 geodynamics data, 6 the structure of deep Earth, including data from magnetotelluric sounding and deep seismic sounding, 7 space physics data, including ionosphere and upper-atmosphere physics data, 8 ancient geophysical information and data Peng, Shen, Tang, et al.
Attempts were also made to visualize the geomagnetic field in a geographic information system, for example, Google Earth Wang, Peng, et al.
Based on these databases, data centers, and data-information platforms, geophysicists have been able to complete a good deal of research. For example, we have forecast the peak of solar activity by using sunspot data from the World Data Center and geomagnetic data from the Sheshan Observatory. Other geophysicists have also studied mathematic methods to predict various geophysical phenomena, such as earthquakes, magnetic storms, etc.
Geophysical research has relied on data analysis methods since its inception. These methods include all kinds of analytical as well as mathematical transformations. Since , each volume has been eagerly awaited, frequently consulted, and praised by researchers and reviewers alike. Now with over 50 volumes, the series contains much material still relevant today-truly an essential publication for researchers in all fields of geophysics.
Impact Factor 4. Top 10 ranking within the Geosciences category. Praise for the Series: "The entire series should be in the library of every group working in geophysics.