Download or read book A Comparison of Satellite observed Sea surface Temperatures with Ground Truth in the Indian Ocean written by Ants Leetmaa and published by . This book was released on 1976 with total page 20 pages. Available in PDF, EPUB and Kindle. Book excerpt: Daily worldwide sea-surface temperature maps are produced by the National Environmental Satellite Service. For the first half of 1975, sea-surface temperatures recorded on these maps were compared with concurrent ship observations in the Indian Ocean. Additional comparisons were made with historical data. These show systematic differences between the satellite and sea-surface observations. The satellite-derived temperatures appear to be too low along the equator and along the East African coast in the vicinity of the equator. Furthermore, in April, May, and June the areas off the equator (and not along the coast) appear to have temperatures that are too high. Although the mean differences are not large (1°-2°C), the fact that the errors vary in time and space made it difficult to apply the satellite data for oceanographic interpretations.
Download or read book A Comparison of Satellite observed Sea surfaced Temperatures with Ground Truth in the Indian Ocean written by Ants Leetmaa and published by . This book was released on 1976 with total page 10 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book A Comparison of Satellite observed Sea surface Temperatures with Ground Truth in the Indian Ocean written by Ants Leetmaa and published by . This book was released on 1976 with total page 20 pages. Available in PDF, EPUB and Kindle. Book excerpt: Daily worldwide sea-surface temperature maps are produced by the National Environmental Satellite Service. For the first half of 1975, sea-surface temperatures recorded on these maps were compared with concurrent ship observations in the Indian Ocean. Additional comparisons were made with historical data. These show systematic differences between the satellite and sea-surface observations. The satellite-derived temperatures appear to be too low along the equator and along the East African coast in the vicinity of the equator. Furthermore, in April, May, and June the areas off the equator (and not along the coast) appear to have temperatures that are too high. Although the mean differences are not large (1°-2°C), the fact that the errors vary in time and space made it difficult to apply the satellite data for oceanographic interpretations.
Download or read book NOAA Technical Report ERL written by and published by . This book was released on 1970 with total page 708 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Collected Reprints Atmospheric Physics and Chemistry Laboratory written by Atmospheric Physics and Chemistry Laboratory and published by . This book was released on 1977 with total page 644 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1994 with total page 892 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Analysis of Satellite derived Sea Surface Temperature Observations in the Eastern Indian Ocean written by Stephen L. Gay and published by . This book was released on 1987 with total page 338 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Collected Reprints written by and published by . This book was released on 1977 with total page 644 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Collected Reprints written by Atlantic Oceanographic and Meteorological Laboratories and published by . This book was released on 1977 with total page 688 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Reconciling Observations of Global Temperature Change written by National Research Council and published by National Academies Press. This book was released on 2000-02-07 with total page 101 pages. Available in PDF, EPUB and Kindle. Book excerpt: An overall increase in global-mean atmospheric temperatures is predicted to occur in response to human-induced increases in atmospheric concentrations of heat-trapping "greenhouse gases." The most prominent of these gases, carbon dioxide, has increased in concentration by over 30% during the past 200 years, and is expected to continue to increase well into the future. Other changes in atmospheric composition complicate the picture. In particular, increases in the number of small particles (called aerosols) in the atmosphere regionally offset and mask the greenhouse effect, and stratospheric ozone depletion contributes to cooling of the upper troposphere and stratosphere. Many in the scientific community believe that a distinctive greenhouse-warming signature is evident in surface temperature data for the past few decades. Some, however, are puzzled by the fact that satellite temperature measurements indicate little, if any, warming of the lower to mid-troposphere (the layer extending from the surface up to about 8 km) since such satellite observations first became operational in 1979. The satellite measurements appear to be substantiated by independent trend estimates for this period based on radiosonde data. Some have interpreted this apparent discrepancy between surface and upper air observations as casting doubt on the overall reliability of the surface temperature record, whereas others have concluded that the satellite data (or the algorithms that are being used to convert them into temperatures) must be erroneous. It is also conceivable that temperatures at the earth's surface and aloft have not tracked each other perfectly because they have responded differently to natural and/or human-induced climate forcing during this particular 20-year period. Whether these differing temperature trends can be reconciled has implications for assessing: how much the earth has warmed during the past few decades, whether observed changes are in accord with the predicted response to the buildup of greenhouse gases in the atmosphere based on model simulations, and whether the existing atmospheric observing system is adequate for the purposes of monitoring global-mean temperature. This report reassesses the apparent differences between the temperature changes recorded by satellites and the surface thermometer network on the basis of the latest available information. It also offers an informed opinion as to how the different temperature records should be interpreted, and recommends actions designed to reduce the remaining uncertainties in these measurements.
Download or read book Ocean Current and Sea Surface Temperature Observations from Meteorological Satellites written by Günter Warnecke and published by . This book was released on 1969 with total page 56 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Earth Resources written by and published by . This book was released on 1983 with total page 758 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Sea Surface Salinity Remote Sensing written by Emmanuel P. Dinnat and published by MDPI. This book was released on 2019-08-27 with total page 296 pages. Available in PDF, EPUB and Kindle. Book excerpt: This Special Issue gathers papers reporting research on various aspects of remote sensing of Sea Surface Salinity (SSS) and the use of satellite SSS in oceanography. It includes contributions presenting improvements in empirical or theoretical radiative transfer models; mitigation techniques of external interference such as RFI and land contamination; comparisons and validation of remote sensing products with in situ observations; retrieval techniques for improved coastal SSS monitoring, high latitude SSS and the assessment of ocean interactions with the cryosphere; and data fusion techniques combining SSS with sea surface temperature (SST). New instrument technology for the future of SSS remote sensing is also presented.
Download or read book Monthly Catalog of United States Government Publications written by United States. Superintendent of Documents and published by . This book was released on 1977 with total page 1092 pages. Available in PDF, EPUB and Kindle. Book excerpt: February issue includes Appendix entitled Directory of United States Government periodicals and subscription publications; September issue includes List of depository libraries; June and December issues include semiannual index
Download or read book Fine Resolution Satellite Based Sea Surface Temperatures Over the Global Ocean written by and published by . This book was released on 2007 with total page 17 pages. Available in PDF, EPUB and Kindle. Book excerpt: The accuracy and relative merits of two sets of daily global sea surface temperature (SST) analyses are examined and compared. The 1/8 Modular Ocean Data Analysis System (MODAS) of the Naval Research Laboratory (NRL) is based only on infrared satellite retrievals. The 1/2 Real-Time, Global (RTG) SST analysis of the National Centers for Environmental Prediction (NCEP) supplements infrared satellite observations with ship and buoy data. The accuracy of both products is reported, providing potential users of either data set a common basis to assess the strengths and weaknesses of either product Differences between the two show the impact of horizontal resolution, inclusion of source data streams, and different assumptions regarding error covariances. The global average of the root-mean-square (RMS) SST difference between MODAS and RTG is found to be 0.5l degrees C, with almost no mean bias. A global set of yearlong daily SST time series from moored buoys during 2002-2005 provides extensive validation data for this study. Comparisons at the locations of these 420 yearlong time series give a median RMS SST difference of 0.40 degrees C between MODAS and RTG. RMS error relative to the buoy observations is comparable, 0.38 degrees C for MODAS and 0.36 degrees C for RTG. The seasonal cycle of SST is well produced by both products with respect to the buoys with a median correlation coefficient of 0.94 for both products. Overall, higher resolution is an advantage for MODAS in improving pattern of daily SSTs, while including in Situ SSTs is an advantage for RTG.
Download or read book Earth Resources written by and published by . This book was released on 1977 with total page 104 pages. Available in PDF, EPUB and Kindle. Book excerpt: A selection of annotated references to unclassified reports and journal articles that were introduced into the NASA scientific and technical information system and announced in Scientific and technical aerospace reports (STAR) and International Aerospace Abstracts (IAA)
Download or read book An Evaluation of May 1971 Satellite derived Sea Surface Temperatures for the Southern Hemisphere written by Potarazu Krishna Rao and published by . This book was released on 1974 with total page 20 pages. Available in PDF, EPUB and Kindle. Book excerpt:
