Considerable progress has been made over the past years concerning the experimental
capabilities to observe mesospheric ice particles from space, from the ground, and in situ …

The existence of diffuse matter between the stars has been known for decades. How ever,
only recently have we known of its presence in the immediate environs of the solar system …

During the last decade, new satellite observations of polar mesospheric clouds and ground‐
based radar and lidar sounding of the high‐latitude summertime mesosphere have …

This text provides a foundation in both the theoretical and practical aspects of radiative
transfer, for advanced students of atmospheric, oceanic and environmental sciences. The …

Letters to the Editor Page 1 LETTERS TO THE EDITOR 497 INCIDENT X-RAY DIMENSIONS
OF IRRADIATED SAMPLE VOLUME LENGTH; 0.375 in. OUTSIOE DIAM: 0.070,!\. INSIDE …

Aerosol indirect effects continue to constitute one of the most important uncertainties for
anthropogenic climate perturbations. Within the international AEROCOM initiative, the …

TRENDS of increasing atmospheric methane, carbon dioxide and other species have now
been identified1. It is well-known that water vapour is an important product of methane …

BACKGROUND A study was undertaken to identify asthma patients at risk of an attack and
to assess the economic impact of treatment strategies. METHODS A retrospective cohort …

An inter-comparison study of the aerosol optical thickness (AOT) at 0.55 μm retrieved using
different satellite instruments and algorithms based on the analysis of backscattered solar …

The Aeronomy of Ice in the Mesosphere (AIM) mission was launched from Vandenberg Air
Force Base in California at 1: 26: 03 PDT on April 25, 2007 becoming the first satellite …