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The objective of this NATO Advanced Research Workshop was to
discuss our current understanding of the role of clouds in climate
and chemistry. The range of topics dis cussed during the workshop
included: modeling of clouds in GCMs; observations of the cloud
micro physical properties; the water vapor cycle;
troposphere-stratosphere exchange; role of in-cloud transport in
tropospheric ozone; regulation of current and paleo climate by
clouds; and anthropogenic sulfate aerosols and modification of
cloud properties. The essence of the discussions is captured in the
accompanying summary by the rapporteurs and the chapters by some of
the speakers. The underlying message is that significant progress
has been made, resulting in exciting new developments in our
perception of the role of clouds in the global system . .. The
tropical convective-cirrus cloud systems emerge as a major
influence on the climate system. Micro physical processes, such as
the rate of precipitation and re evaporation of ice particles, seem
to regulate the large scale vertical distribution of water vapor
which is the dominant greenhouse gas. Water vapor data collected
during the Central Equatorial Pacific Experiment (CEPEX), document
the large moistening effect of deep convection on scales of
thousands of kilometers. A major chemical finding in the same
region was the observation of extremely low ozone 8 volume mixing
ratios of less than 10- in the entire troposphere of the central
equatorial Pacific extending over a distance of about 2000 km. This
finding establishes the Pacific as a major chemical sink region for
tropospheric ozone."
This book outlines the development and perspectives of the
Anthropocene concept by Paul J. Crutzen and his colleagues from its
inception to its implications for the sciences, humanities, society
and politics. The main text consists primarily of articles from
peer-reviewed scientific journals and other scholarly sources. It
comprises selected articles on the Anthropocene published by Paul
J. Crutzen and a selection of related articles, mostly but not
exclusively by colleagues with whom he collaborated closely. * In
the year 2000 Nobel Laureate Paul J. Crutzen proposed the
Anthropocene concept as a new epoch in Earth's history *
Comprehensive collection of articles on the Anthropocene by Paul J.
Crutzen and his colleagues* Unique primary research literature and
Crutzen's comprehensive bibliography* Paul Crutzen's scientific
investigations into human influences on atmospheric chemistry and
physics, the climate and the Earth system, leading to the
conception of the Anthropocene* Reflections on the Anthropocene and
its implications* Bibliometric review of the spread of the use of
the Anthropocene concept in the Natural and Social Sciences,
Humanities and Law
This book contains texts by the Nobel laureate Paul J. Crutzen who
is best known for his research on ozone depletion. It comprises
Crutzen's autobiography, several pictures documenting important
stages of his life, and his most important scientific publications.
The Dutch atmospheric chemist is one of the world's most cited
scientists in geosciences. His political engagement makes him a
tireless ambassador for environmental issues such as climate
change. He popularized the term 'Anthropocene' for the current
geological era acknowledging the enduring influence of humankind on
planet Earth. This concept conceives humans to be a geologic
factor, influencing the evolution of our globe and the living
beings populating it. The selection of texts is representing Paul
Crutzens scientific oeuvre as his research interests span from
ozone depletion to the climatic impacts of biomass burning, the
consequences of a worldwide atomic war - the Nuclear Winter - to
geoengineering and the Anthropocene.
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