Wladimir Köppen: German meteorologist (1846 - 1940) | Biography, Facts, Information, Career, Wiki, Life
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Wladimir Köppen
German meteorologist

Wladimir Köppen

Wladimir Köppen
The basics

Quick Facts

Intro German meteorologist
Was Scientist Geographer Esperantist Meteorologist Botanist
From Germany
Field Literature Science
Gender male
Birth 25 September 1846, Saint Petersburg
Death 22 June 1940, Graz (aged 93 years)
Father: Peter von Köppen
The details (from wikipedia)


Wladimir Peter Köppen (Russian: Влади́мир Петро́вич Кёппен, Vladimir Petrovich Kyoppen; 25 September 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 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 made 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.

      He identified five major climatic groups which correspond with the five principal vegetation group. 
  • Tropical rainy climate
  • Dry climate
  • Warm temperature rainy climate
  • Snowy and cold climate
  • Polar climate

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.

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. 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 Milanković theory on ice ages. Also, in 1911 he co-wrote The Thermodynamics of the Atmosphere, a textbook that became very popular.

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. In 1890 he co-authored the first cloud atlas. 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.

The contents of this page are sourced from Wikipedia article. The contents are available under the CC BY-SA 4.0 license.
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