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Climate change article. [1] I searched for spelling errors and links not working, and found no errors. All links clicked worked properly. I think there is a good balance of information and sources were sited.
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 the German physicians invited to Russia by Empress Catherine II to improve sanitation in the provinces, and he later became a personal physician to the tsar. His father, Pyotr 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, 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 and defended his doctorate dissertation on the effects of temperature on plant growth at the University of Leipzig in 1870. Following the Franco-Prussian War (1870–71), in which he served in the ambulance corps, Köppen returned to St. Petersburg as assistant at the Central Physical Observatory.
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 the German physicians invited to Russia by Empress Catherine II to improve sanitation in the provinces, and he later became a personal physician to the tsar. His father, Pyotr 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, 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 and defended his doctorate dissertation on the effects of temperature on plant growth at the University of Leipzig in 1870. Following the Franco-Prussian War (1870–71), in which he served in the ambulance corps, Köppen returned to St. Petersburg as assistant at the Central Physical Observatory.
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 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.
![](http://upload.wikimedia.org/wikipedia/commons/thumb/1/1e/World_K%C3%B6ppen_Classification_%28with_authors%29.svg/300px-World_K%C3%B6ppen_Classification_%28with_authors%29.svg.png)
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 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 in the cause of world peace, translating several of his publications into Esperanto.
He had wife, Marie, and five children including daughter Else, along with Marie's sister, Sophie's, two children, whose father passed away. Marie's sister and children moved in with the Koppen's in 1888. He was a very simple and humble man, often travelling by third-class railway carriage. Köppen was one of the last scholars to make significant contributions to many branches of natural science. He paved the way for the sciences of the 20th century.[6]
copied from [[1]]
- ^ https://en.wikipedia.org/wiki/Climate_change
- ^ https://books.google.com/books?id=FWPWCQAAQBAJ&pg=PA73&lpg=PA73&dq=Wladimir+K%C3%B6ppen+wifes+name&source=bl&ots=SK8rD-3HrN&sig=miWkvpDSk7ZDlQuu0KTsDVubxGg&hl=en&sa=X&ved=0ahUKEwj8iNbS5ebTAhUBTGMKHWuxCCEQ6AEIdzAQ#v=onepage&q=Wladimir%20K%C3%B6ppen%20wifes%20name&f=false
- ^ http://www.encyclopedia.com/people/science-and-technology/weather-and-climate-biographies/wladimir-peter-koppen
- ^ https://course.bighistoryproject.com/~/media/Big%20History%202013/Unit%204/PDFs/U4_Alfred%20Wegener%20and%20Harry%20Hess_14Pages_2012.pdf
- ^ H. H. Hildebrandsson, W. Köppen, and G. Neumayer (1890). Wolken-Atlas. Atlas des nuages. Mohr Atlas. Hamburg.
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