alpaain jalavaayu

California ke white pahaadon mein alpaain jalavaayu

alpaain jalavaayu us ooainchaai ki jalavaayu ko kehte hain jo vruksh rekha ke oopar ho. kisi jagah ki jalavaayu alpaain hai tabhi kaha ja sakta hai jab vahaaain kisi bhi maheene ka ausat taapamaan 10° celcius se oopar naheen hota hai.

vivran

jaise-jaise ooainchaai badhti jaati hai, vaise-vaise taapamaan mein giraavat aati hai. iski vajah hai hava ki giraavat dar. prati kilometer ooainchaai mein taapamaan 10° celcius girta hai.[1] iski vajah yeh hai ki ooainchaai mein hava thandi hoti jaati hai kyonki dabaav kam hone ke kaaran vah failati hai.[2]
at: pahaadon mein 100 meter ooaincha jaana takareeban akshaansh mein 80 kilometer dhruv ki or jaane ke baraabar hota hai,[3] haalaanki yeh taalluk mahaj andaaja hai kyonki sthaaneeya kaaran bhi, jaise samudra se sthaan ki doori ityaadi, jalavaayu ko bade paimaane mein prabhaavit karte hain.[4] mukhya roop se in ilaakon mein himpaat hi hota hai jo aksar tej gati ki havaaon ke saath hota hai.

alpaain jalavaayu vaale pahaadi kshetron mein, pramukh baayom alpaain tundra hota hai.

sandarbh

  1. "Adiabatic Lapse Rate". Goldbook. IUPAC. http://goldbook.iupac.org/A00144.html. abhigman tithi: 05/11/2012.
  2. Lazaridis, Mihalis (2010). First Principles of Meteorology and Air Pollution. Springer. pa॰ 70. aai॰aऍsa॰abee॰aऍna॰ 978-9400701618.
  3. "Mountain Environments". United Nations Environment Programme World Conservation Monitoring Centre. http://quin.unep-wcmc.org/mountains/mountain_watch/pdfs/mountainEnvironments.pdf.
  4. "Factors affecting climate". The United Kingdom Environmental Change Network. Archived from the original on 16/07/2011. http://web.archive.org/web/20110716163841/http://www.ecn.ac.uk/Education/factors_affecting_climate.htm.