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Wladimir Peter Köppen (Russian: Влади́мир Петро́вич Кёппен, Vladimir Petrovich Kyoppen; 7 October 1846 – 22 June 1940) was a Russian-German geographer, meteorologist, climatologist and botanist. After studies in St. Petersburg, he spent the bulk of his life and professional career in Germany
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.[1] Köppen made significant contributions to several branches of science.

Contents

1 Background and education 2 Career and contributions 3 See also 4 References 5 Bibliography

Background and education[edit] Wladimir Koppen was born in St. Peterburg, Russia and lived there until he was 20 years old. He died in Graz, Austria. Köppen's grandfather was one of several doctors invited to Russia by Empress Catherine II to improve sanitation, and was later personal physician to the tsar. His father, Peter von Köppen (1793–1864), 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.[1] He attended secondary school in Simferopol, Crimea
Crimea
and began his studies of botany in 1864 at the University of St. Petersburg. He frequently traveled to his family's estate on the Crimean coast from St. Petersburg
St. Petersburg
and to and from Simferopol, in the interior of the peninsula. The floral and geographical diversity of the Crimean peninsula, as well as 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
University of Heidelberg
and defended his doctorate dissertation on the effects of temperature on plant growth at the University of Leipzig
University of Leipzig
in 1870. He served in the ambulance corps in the Franco-Prussian War
Franco-Prussian War
and later worked at the Central Physical Observatory in St. Petersburg.[1] He identified five major climatic groups, which correspond with the five main vegetation groups:

Tropical rainy climate Dry climate Warm temperature rainy climate Snowy and cold climate Polar climate

Career and contributions[edit] Koppen was a principal founder of modern climatology and meteorology. Between 1850 and 1860, Koppen contributed to Seewart's sailing handbooks for the Atlantic, Pacific and Indian Oceans by studying ship reports over he winds of different oceans. [2] Between 1872 and 1873 Köppen was employed in the Russian meteorological service as an assistant where he helped prepare the daily synoptic weather map.[3] In 1875, he moved back to Germany
Germany
and became the chief of the new Division of Marine Meteorology
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
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.

Map of Köppen's global climate classification

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. It led to the development of the Köppen climate classification
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; 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 Milanković theory on ice ages. Also, in 1911 he co-wrote The Thermodynamics of the Atmosphere, a textbook that became very popular.[4] 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). It 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 he retained his intellectual curiosity and wide range of interests throughout his life. In 1890, he co-authored the first cloud atlas.[5] 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
Esperanto
in the cause of world peace, translating several of his publications into Esperanto. He had a wife, Marie, and five children including daughter Else. Marie's sister Sophie and her children moved in with the Koppens in 1888. [1] See also[edit]

List of Russian meteorologists

References[edit]

^ a b c d "Wladimir Koppen: German climatologist". Encyclopædia Britannica Online. Retrieved 12 May 2017.  ^ Summerhayes, C. P. (19 October 2015). "Earth's Climate
Climate
Evolution". John Wiley & Sons – via Google Books.  ^ "Wladimir Peter Koppen facts, information, pictures - Encyclopedia.com articles about Wladimir Peter Koppen". Encyclopedia.com.  ^ ["Archived copy" (PDF). Archived from the original (PDF) on 2013-12-02. Retrieved 2013-11-25. ]] ^ H. H. Hildebrandsson, W. Köppen, and G. Neumayer (1890). Wolken-Atlas. Atlas des nuages. Mohr Atlas [Cloud Atlas]. Hamburg. CS1 maint: Multiple names: authors list (link)

Bibliography[edit]

Allaby, Michael (2000). Encyclopedia of Weather and Climate. New York: Facts On File, Inc. ISBN 0-8160-4071-0. Köppen, Wladimir and Wegener, Alfred (1924): The Climates of the Geological Past ' Facsimile of the German original and English translation of 'Die Klimate der Geologischen Vorzeit' Berlin, Stuttgart: Gebr. Borntraeger ISBN 978-3-443-01088-1

v t e

Climate
Climate
types under the Köppen climate classification

Class A

Tropical rainforest (Af) Tropical monsoon (Am) Tropical savanna (Aw, As)

Class B

Desert (BWh, BWk, BWn) Semi-arid (BSh, BSk, BSn)

Class C

Humid subtropical (Cfa, Cwa) Oceanic (Cfb, Cwb, Cfc, Cwc) Mediterranean (Csa, Csb, Csc)

Class D

Humid continental (Dfa, Dwa, Dfb, Dwb, Dsa, Dsb) Subarctic (Dfc, Dwc, Dfd, Dwd, Dsc, Dsd)

Class E

Tundra
Tundra
(ET) Ice cap (EF) Alpine (ET, EF)

Authority control

WorldCat Identities VIAF: 40173156 LCCN: n78072215 ISNI: 0000 0000 8375 2005 GND: 118713418 SUDOC: 12303499X

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