New PDF release: Advances in the Use of NOAA AVHRR Data for Land Applications

By C. J. Tucker (auth.), Giles D’Souza, Alan S. Belward, Jean-Paul Malingreau (eds.)

ISBN-10: 9400902034

ISBN-13: 9789400902039

ISBN-10: 9401065756

ISBN-13: 9789401065757

An up to date, particular set of notes overlaying all points of NOAA AVHRR facts assortment, pre-processing, research and alertness. contains many FTP websites, email addresses and URL destinations. a few chapters tackle specific points of the NOAA AVHRR approach, akin to radiometric calibration and geometric correction, whereas others supply normal info of curiosity to any distant sensing research, comparable to radiative move modelling and atmospheric correction. The ebook of a booklet that covers all vital features of the remedy and knowing of the knowledge in a single quantity makes the paintings a handy, informative `recipe e-book' that's guaranteed to turn into a favorite for all clients of NOAA AVHRR data.

Show description

Read Online or Download Advances in the Use of NOAA AVHRR Data for Land Applications PDF

Best nonfiction_11 books

Download PDF by F. Thors, J. Drukker (auth.), Dr. med. Karl-Heinz Treutner,: Peritoneal Adhesions

Adhesions could cause a variety of difficulties, court cases and dangers, even after basic stomach tactics, equivalent to appendectomy, with problems starting from recurrent pain and ache to intestinal obstruction. Postsurgical adhesions raise the danger of following operations of the stomach and thoracic hollow space.

Download PDF by H. Just (auth.), Priv.-Doz. Johannes Brachmann MD, Prof.: Heart Failure and Arrhythmias

Center failure is a scientific entity characterised by means of a undeniable mix of signs and indicators. even if there's neither a definition protecting all points of it nor any more often than not permitted standards for comparing its severity, it's the endstage of many alternative center illnesses, in general linked to a bad diagnosis.

Additional info for Advances in the Use of NOAA AVHRR Data for Land Applications

Example text

The "instrument operating temperature" is represented by the temperature of the instrument's baseplate, which is kept at approximately the same temperature as its internal warm blackbody. The operating temperatures for the baseplate used in calibration tests are 10, 15 and 20°C for AVHRRs on-board NOAA's 6-11 and 10,15,20 and 25°C for NOAA 12. The instrument manufacturers and NOAA-NESDIS then independently analyse the prelaunch test data in order to determine various operating characteristics of the instruments, such as their signal-to-noise ratios, stability, linearity of response, and sensitivity (output in digital counts per unit incident radiance).

During the laboratory calibration phase, the warm calibrated laboratory blackbody is cycled through a sequence of temperature plateaux approximately 10K apart between 175 and 320K, which spans the entire range of possible Earth target temperatures (including clouds and oceans). From the laboratory data, for each of the target temperature plateaux, radiances for each channel can then be computed using the inverse Planck law and related to the 0-1023 levels yielded by the sensor. However, as the responsivity is partly a function of the instrument's temperature, the entire procedure is carried out independently for several instrument operating temperatures that encompass the range of operating temperatures encountered in orbit.

The likely error is larger for channel 3 than for the thermal channels. Errors resulting from the different methods of radiance to brightness temperature conversion are very small in comparison with errors of non-linear correction for channels 4 and 5. 3. Non-linearity corrections. Once the radiance values have been converted to brightness temperatures, the non-linear corrections should be applied (for pre-NOAA 14 sensors). This requires the use of the non-linear correction tables, interpolating values according to the calculated brightness temperature, and the derived temperature of the internal calibration target.

Download PDF sample

Advances in the Use of NOAA AVHRR Data for Land Applications by C. J. Tucker (auth.), Giles D’Souza, Alan S. Belward, Jean-Paul Malingreau (eds.)


by Michael
4.4

Rated 4.47 of 5 – based on 26 votes