Klimat Diagram

[Lawana Stuckert]

Theselection of a location is quite easy and is done by clicking on a position in the map. Basically, there are two types of data sets available - raster data (see 1.2.1) and station data (see 1.2.2).

In addition, it is also possible to select a position on the map by entering coordinates into the filter menu. You can find it under the map tile (1). In this case a raster cell at this position is selected.

Once you selected a raster data set and clicked on a location, the corresponding raster cell is shown on the map in blue (1). Within this grid cell the resulting climate diagrams are identical. Another indicator that you are seeing raster instead of station data is the note "Climate Cell" at the top of the information popup (2). This popup also contains information about the name of the place you have selected (3) as well as information about the climate classes according to Kppen-Geiger, the altitude and the selected time period (4). With the button "Create Charts" a diagram is created below the map (5).

You can also see that you have selected a station by the note "Climate Station" in the popup (2). This popup also contains information about the name of the place you have selected (3) as well as information about the climate classes according to Kppen-Geiger, the altitude and the selected time period (4). With the button "Create Charts" a diagram is created below the map (5).

In addition, three different raster data sets can be used to generate climate diagrams. Select one of these data sets before clicking on a location in the map. The selection menu is located beneath the map.

Climate diagrams are often generated for a period of at least 30 years. The web application ClimateCharts.net offers the possibility to adapt this period according to your own requirements. For this purpose, a slider for adjusting the period (1) is available. The Dark grey area shows the maximum time period in which data (independent of the selected dataset) is available. The maximum available time period for the selected data set (2) is shown in white. The length of this bar can vary depending on the selected data set. The selected time period can be adjusted individually by moving the upper and lower limits (3) of the light grey bar.

The Walter-Lieth Chart is an easy way to show information about the climatic conditions at a selected location The chart visualizes mean monthly temperatures (1) and mean monthly precipitation sum values (2). The values temperature and precipitation have a ratio of 1:2 up to a value of 100 mm mean monthly precipitation. This ratio changes to 1:10 if precipitation exceeds 100 mm.

This chart visualizes the monthly distribution of the climate parameters included in the Walter-Lieth Chart using a box plot. This kind of chart visualizes the distribution of different parameters. Here, the average sums of monthly temperature and precipitation values are shown. The box plot include:

Reading boxplots requires some experience and knowledge of data distribution. For more detailed information we recommend the article "Understanding Boxplots" by Michael Galarnyk: -boxplots-5e2df7bcbd51

The Availability Chart is an easy-to-understand instrument for displaying temperature and precipitation data as numerical values. The color-coding of the table cells allows you to quickly perceive the values. It allows the comparison of the monthly values over the selected time period. It is also possible to identify data gaps. These data gaps occur exclusively in the data set of the GHCN Weather Stations (see 1.3.1).

All charts of the application Climatecharts.net are available for free. In the upper right corner of each diagram you will find two buttons to save the charts as PNG file (raster graphics) or SVG file (vector graphics). Saving as a vector graphic also allows you to easily edit the data (e.g. coloring).

For the title and elevation value the gazetteer from GeoNames is used (Creative Commons Attribution 3.0 License). Elevation is based on SRTM data and only available between 60 northern and 58 southern latitude. The climate class is calculated from the temperature and precipitation data according to the Kppen-Geiger climate classification scheme.

All generated diagrams by climatecharts.net are licensed under a Creative Commons Attribution 4.0 International License, which guarantees users the freedoms to use, study, share (copy), and adapt the diagrams.

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I veckans avsnitt, som grs i samarbete med Naturskyddsfreningen, intervjuar Mattias Axelsson (gymnasielrare) klimatforskaren Kjell Vowles (forskare p Chalmers) om vilka argument som anvnds fr att frneka mnsklig pverkan p klimatet.

SO-rummet riktar sig i frsta hand till elever och lrare p mellanstadiet (k 5-6), hgstadiet och gymnasiet, men ven till hgskole- och universitetsstuderande samt alla andra som r intresserade av de fyra SO-mnena.

Syftet med SO-rummet r att frenkla arbetet i skolan fr elever och lrare, dels genom SO-rummets egna material i olika mnen, dels genom att samla merparten av alla bra och fria SO-resurser som finns utspridda p Internet p ett och samma stlle. Mlet med sajten r skapa inspiration, ka intresset och ka kunskaperna inom SO-mnena.

Fr bildmaterialet p SO-rummet gller i allmnhet olika typer av licenser. Mnga av bilderna r upphovsrttsskyddade medan andra har Creative Commons-licenser eller andra liknande licenser. Ngra av bilderna r helt fria att anvnda. Om du vill bruka en bild i eget syfte, s mste du sjlv ta reda p om bilden r fri att anvnda eller vilka villkor som gller. Detta gr du genom att klicka p bildlnken som finns under de flesta bilderna. Om en bildlnk saknas r bilden i regel upphovsrttsskyddad och kan inte anvndas utanfr SO-rummet.

SO-rummet ansvarar inte fr andras anvndning av webbplatsens material. Om du r upphovsrttsinnehavare och anser att SO-rummets anvndning av ditt material bryter mot upphovsrtten och br plockas bort, s r du vlkommen att meddela oss s att vi kan ta bort materialet.

Vi vill grna att SO-rummet anvnds som kunskapsklla, till exempel av elever och lrare i skolundervisningen. Det r drfr fritt fram att anvnda webbplatsen som grund eller underlag fr skolarbete. SO-rummets texter fr skrivas ut och anvndas i skolan och fr privat bruk, men uppge alltid klla! Det mste framg tydligt vem som skrivit texten och varifrn materialet kommer (inkl. lnk/ar). SO-rummets texter fr dremot inte anvndas fritt som redaktionellt material p andra webbplatser eller interna ntverk o.s.v. utanfr SO-rummet. Vi tycker sklart att det r kul om texterna kommer till s stor anvndning som mjligt s lnge nyttjandet inte missbrukas. Kontakta oss om du har frgor.

Jordens klimat blir allt varmare. Mtningar visar att den globala medeltemperaturen under den senaste tiorsperioden varit cirka 1,2 grader hgre jmfrt med 1800-talets andra hlft. Det lter kanske inte mycket, men konsekvenserna i klimatsystemet r redan betydande. Det r inte bara luften som vrms upp, ven vrldshaven blir varmare och vrldens isar smlter.

FN:s klimatpanel IPCC har i sina rapporter visat p hur riskerna med klimatfrndringarna kar ju strre uppvrmningen blir. Mycket snabba utslppsminskningar r nu ndvndiga fr att undvika eller mildra allt mer djupgende effekter och allvarliga strningar fr mnniska och natur.

Med klimat menas de genomsnittliga vderfrhllandena under en lngre tid. Det innebr att vi mste flja temperaturens variationer under rtionden fr att kunna avgra hur klimatet frndras. Det rcker inte med att titta p enstaka r.

Klimatets frndring diskuteras ofta som en framtidsfrga. Men mtningar och observationer visar att klimatet redan frndrats till fljd av mnniskans pverkan. Mnga av de klimatfrndringar som observerats saknar motsvarighet under tusentals r, och i vissa fall hundratusentals och miljontals r.

Klimatet frndras dock inte p samma stt verallt p jorden. P en del hll har temperaturen stigit betydligt mer n den genomsnittliga kning p en dryg grad som uppmtts sedan 1900-talets brjan. P andra hll har temperaturkningen varit mindre.

Fortsatta utslpp i linje med vad vi har sett under de senaste decennierna skulle ge en uppvrmning av den globala temperaturen lngt hgre n Parisavtalets ml om att hejda uppvrmningen lngt under tv grader (helst under 1,5 grader) jmfrt med frindustriell tid.

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