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Environmental Data Management by Dr. Carl H. Oppenheimer, Dr. Andreas Rannestad (auth.), Carl

By Dr. Carl H. Oppenheimer, Dr. Andreas Rannestad (auth.), Carl H. Oppenheimer, Dorothy Oppenheimer, William B. Brogden (eds.)

Throughout the realm a surprising volume of assets were used to acquire billions of environmental information issues. a few, similar to meteorological information, were equipped for climate map demonstrate the place many millions of knowledge issues are synthesized in a single compressed map. such a lot environmental info, despite the fact that, are nonetheless greatly scattered and customarily now not used for a structures strategy, yet just for the aim for which they have been initially taken. those info are contained in really small machine courses, learn documents, govt and commercial reviews, and so on. This convention used to be referred to as to compile many of the world's leaders from learn facilities and executive companies, and others concerned about environmental info administration. the aim of the convention used to be to arrange dialogue at the scope of worldwide environmental info, its current shape and documentation, and no matter if a scientific method of a complete process is possible now or sooner or later. This comparable topic permeated ultimately the Stockholm convention at the surroundings, the place, even if no unmarried suggestion got here forth suggesting a consolidated environmental info pool, financial institution or community, every one suggestion indicated that huge environmental info had to be acquired or had to be pooled and analyzed from latest facts sources.

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They want, however, to have the data that they use most frequently in the form that they use most frequently. And so, therefore, I don't think we will ever see everything all tied together into one gigantic system. At the same time there has to be some common denominator which permits people to use data from other systems and to put it directly into their own system. So I think the concept is confusing, at least from what I thought of a year or two ago. I thought that we could have one large system which would tie everyone together.

The concern of the environmental scientist is very often with "fuzzy" data sets. The geologist has the feeling that this sandstone was deposited from mountains which were over here somewhere, or maybe over there, but almost certainly not over there. How do you express this in a satisfactory way with a computer? I just don't know. I could pick up a piece of sandstone, I could look at it, I could attempt to describe it to another geologist in intricate detail using a computer method or simply writing on a piece of paper and the geologist might be totally unable to identify the age or locality of the sandstone from the description.

These are files for which automation techniques are less applicable. For example, there are millions of miles of bathograms, echo sounder records (Figure 24). The echo sounder record is read, then written on the boat sheet along with latitude and longitude determined with a high degree of navigational precision (Figure 25). These are then brought home and used to prepare bathymetric charts (Figure 26). The boat sheets are kept. They have become so voluminous that NOAA has now developed a technique for digitizing (Figure 27) the data from the boat sheets, which are then converted to microfilm and microfiche to reduce storage space requirements.

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