Sökning: "limb-sounding"

Visar resultat 1 - 5 av 10 avhandlingar innehållade ordet limb-sounding.

  1. 1. Inversion of microwave limb sounding observations of the atmosphere by a neural network technique

    Författare :Carlos Jimenez Sanchez; [2000]
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; retrievals; radiometry; inversion problem; neutal networks; atmosphere; Odin; limb sounding; optimal estimation;

    Sammanfattning : .... LÄS MER

  2. 2. Satellite measurements of upper tropospheric water

    Författare :Mattias Ekström; [2008]
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; NATURVETENSKAP; NATURAL SCIENCES; cloud ice; upper troposphere; microwave; retrieval; the Odin satellite; humidity; limb-sounding;

    Sammanfattning : Water vapour and clouds in the upper troposphere have strong influence on the Earth's climate system. The present uncertainties regarding the distribution and feedback mechanisms of water to a changing climate are today among the greatest limitations for accurate climate predictions. LÄS MER

  3. 3. Microwave Radiometric Observations of the Middle Atmosphere: Simulations and Inversions

    Författare :Patrick Eriksson; [1999]
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; atmospheric radiative transfer; middle atmosphere; sub-mm; data inversion; profile retrieval; microwaves; limb sounding; ozone; remote sensing;

    Sammanfattning : Two well-known examples of global environmental problems are the ozone depletion and the enhanced greenhouse effect. The importance and the complexity of these questions generate a demand for improved atmospheric observations, and microwave radiometry is an approach which is increasingly important for measurements of the middle atmosphere (10-100 km). LÄS MER

  4. 4. Microwave remote sensing of ozone and other species in the middle atmosphere

    Författare :Patrick Eriksson; [1996]
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; ozone layer; ground-based observation; middle atmosphere; microwaves; profile retrieval; radiative transfer; limb sounding; radiometry; remote sensing;

    Sammanfattning : .... LÄS MER

  5. 5. Techniques for the validation of Odin and ENVISAT satellite data

    Författare :Ashley Jones; [2007]
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; data assimilation; remote sensing; ozone; Odin; stratosphere; validation; limb sounding; MIPAS; balloon sonde; systematic;

    Sammanfattning : The depletion of ozone from the stratosphere and the impact of global warming have been identified as phenomena caused as a result of anthropogenic activity. Scientists are thus trying to find quicker and more reliable ways to analyse these environmental problems. LÄS MER