Everything about Wladimir K Ppen totally explained
Wladimir Peter Köppen (
Russian: Владимир Петрович Кёппен) (born
September 25,
1846 in
Saint Petersburg,
Russia — died
June 22,
1940 in
Graz,
Austria) was a
Russian born
geographer,
meteorologist,
climatologist and
botanist of
German descent. After studies in
St. Petersburg, he spent the bulk of his life and professional career in Germany and Austria. His most notable contribution to science was the development of the
Köppen climate classification system, which, with some modifications, is still commonly used. Köppen was one of the last scholars with a broad enough background and intellectual ability to make significant contributions to several branches of science.
Background and education
Köppen's grandfather belonged to the cohort of German physicians that were invited to Russia by empress
Catherine II to improve sanitation in the provinces, and later became a personal physician to the tsar. His father
Peter Köppen was a noted
geographer,
historian and
ethnographer of ancient Russian cultures, and an important contributor to intellectual exchanges between western European slavists and Russian scientists. Wladimir attended secondary school in
Simferopol,
Crimea and began his studies of botany in 1864 at the
University of St. Petersburg. He frequently travelled to his family's estate on the Crimean coast from
St. Petersburg, and to and from Simferopol, in the interior of the peninsula. The floral and geographical diversity of the Crimean peninsula, and the starker geographical transitions between the capital and his home did much to awaken an interest in the relationship between climate and the natural world. In 1867, he transferred to the
University of Heidelberg and defended his doctorate dissertation on the effects of temperature on plant growth at the
University of Leipzig in 1870.
Career and contributions
Between
1872 and
1873 Köppen was employed in the Russian meteorological service. In
1875, he moved back to Germany and became the chief of the new Division of Marine Meteorology at the German naval observatory (Deutsche Seewarte) based in
Hamburg. There he was responsible for establishing a
weather forecasting service for the northwestern part of Germany and the adjacent sea areas. After four years of service, he was able to move on to his primary interest - fundamental research - and left the meteorological office.
Köppen began a systematic study of the
climate and also experimented with
balloons to obtain data from upper layers of the atmosphere. In
1884, he published the first version of his map of climatic zones in which the seasonal temperature ranges were plotted. This work led to the development of the
Köppen climate classification system around
1900, which he kept improving for the rest of his life. The full version of his system appeared first in
1918 and, after several modifications, the final version was published in
1936.
Apart from the description of various climate types, he was acquainted with
paleoclimatology as well. In
1924 he and his son-in-law
Alfred Wegener published a paper called
Die Klimate der Geologischen Vorzeit (The climates of the geological past) providing crucial support to the
Milankovic theory on
ice ages.
Towards the end of his life, Köppen cooperated with the German climatologist
Rudolf Geiger to produce a five-volume work,
Handbuch der Klimatologie (Handbook of Climatology). This was never completed, but several parts, three of them by Köppen, were published. After Köppen's death in
1940, Geiger continued to work on modifications to the climate classification system.
Köppen was a prolific scientist, producing more than 500 papers, and retained his intellectual curiosity and wide range of interests throughout his life. Alongside scientific pursuits, he was actively involved in social questions, devoting much time and energy to such problems of land-use and school reform and nutrition for the underprivileged. He was a strong advocate for the use of
Esperanto in the cause of world peace, translating several of his publications into Esperanto.
See also
Further Information
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