Coincident cloud observations by altimetry and radiometry

Quartly, G.; Poulsen, C.. 2004 Coincident cloud observations by altimetry and radiometry. In: 2004 Envisat and ERS Symposium, Salzburg, Austria, 6-10 September 2004: programme and abstract book. Paris, European Space Agency, Poster Session 4P11, Abs. No. 98.

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There are many different sensors that can be used for studies of clouds or rain. However, it is only with Envisat that a dual-frequency altimeter has been comanifested with a high-precision infra-red radiometer. This paper is the first to demonstrate the complementary cloud information obtainable from these two sensors. The examples considered here are of major storms brewing in the ITCZ just to the west of Africa. The cloud tops exceed 13 km, but much of this is inactive cirrus shield; the intense rain occurs wherethe optical depth exceeds 25 units.

Item Type: Publication - Book Section
Additional Keywords: Rain, Clouds, Altimeter, Radiometer, RA-2, AATSR, Envisat
Date made live: 16 Sep 2005 +0 (UTC)

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