Australia - qaaradda qalalan on Earth

Lix qaaradood dhulka gabi ahaanba ma aha isku mid ah midba midka kale. Tusaale ahaan, in Eurasia - kala duwan ee cimilada ee dunida. sifooyinka Cimilada kala saari karaa qaaradda ugu kulul - Africa, qabow ah - Jacaylku. qaarada Wettest waa South America. Laakiin Australia - waa qaarada qalalan on Earth.

Sababaha roobab yar yahay

Australia waxaa ku dhowaad kala bar tropic koonfurta. Taas macnaheedu waa in hawada kulaylaha halkan ahaaday. In qaybo badan oo qaarada qalalan iyo kulul tacsida kulaylaha waxaa la qabtaa sannadka oo dhan, si roobab uu yahay mid aad u yar. tropics kor ku sameeyay on cadaadiska Hawada kordhay labada barka. Waxay hawada ku dhacaa oo uu noqdo muddo gab, taasoo keentay in si joogto ah cimilada u wanaagsan oo la'aan gebi ahaanba roobabka.

In qaybo badan oo roobab Australia dhaco ka yar 250 mm sanadka gudihiisa. Tani neskolko jeer ka yar ee Moscow. Iyo tixgelinta xaqiiqada ah in cimilada Australian waa badan diiran, aad fahmi karto in, iyo hawada qalalan waa weyn yahay keenna.

Waxaa jirta sabab kale oo ah in ay tahay qaaradda qalalan on Earth. Tani waa buurtii xagga bari ee qaarada. In Australia, waxaa jira dabaylo ganacsiga - Dabaylaha ka kulaale in dhulbaraha. Waxay waxaa si toos ah uga soo Pacific si waynaha. Kulan Jidka buurta on, tacsida hawada kaca buuraha lahaa, daadinta roob ku yaal xeebaha bari. Oo meelaha gudaha ee hawada ku yimaadda hore u engegay iyo ka hortagtaa roobab.

Cawaaqibka cimilada qalalan

Sidaas darteed of aridity qaybta dega Australia waxay ku yaalaan lamadegaanka iyo semi-lamadegaanka. The ugu caansan - Great Victoria Desert, Great Sandy, Gibson, Simpson. Oo degaanka ee Lake Eyre, naaneeso "wadnaha dhintay of Australia", roobab kama badna 125 mm. A huurka qaraabo of hawada ma aha in ka badan 20-30%.

Webiyada ee wax yar Australia. Waxay inta badan soo jeedaan Great Dividing Range. addoommo ugu weyn ee Murray ah - - The ugu weyn Darling. Laakiin webiga waxaa, iyo waqooyiga qaarada heysatay by cimilada sub-Equatorial.

Dhirta iyo ugaarta qaarada qalalan on Earth

Xaaladahan oo kale, badbaadaan oo kaliya loo habeeyey noocyada dhirta iyo xayawaanka in u dulqaadan karin cimilada qalalan. In caleemo eucalyptus cufan celisaa-ku in ay fallaaraha qorraxda ee si loo yareeyo uumi. A xididdada dheer biyo ka qoto dheer ah tobanaan mitir soo saaro karo. Waxa kale oo jira noocyada cilin geedaha eucalyptus iyo geedo dhaadheer. Jiqda geedka tani waa qayb ka mid ah khatar dab, sida ku saliidaha lagama maarmaanka ah ee ku jira caleemaha, ay fududahay in shidid degna in kulaylka iyo qallayl.

In lamadegaanka sidoo kale badarka caadi ah (spinifex) oo ay duurka - qudhac ah, kala duwan Salsola, quinoa. Keenay in qarnigii XX ah, tiin pear lagu mudayo si degdeg ah ku faafay oo ay noqoto weed malignant.

Oo ka mid ah dadka deggan lamadegaanka Molokh ugu xiisaha badan - qorratada yar, oo dhan daboolay burooyinka iyo Sabuul. Waa awood u si uu u nuugo qoyaan oo dhan dusha maqaarka. Ka mid ah xoolaha kale la xusay waxaa laga yaabaa kala duwan oo ka mid ah shimbiraha quudinta on miraha dalagga, xamaarato iyo cayayaan.

Taas oo qaaradda waa dalkii ugu qalalan?

su'aal la yaab leh, miyaanay ahayn? Laakiin waxanu waa sida si ay u qeexaan qaaradda qalalan on Earth.

Haddii aan meesha ugu qalalan ee adduunka, South America Weeraryahanka jiido. Halkan ka roobab xeebaha Atacama Desert aanay dhicin muddo sanado ah. Shiidaa isha keliya ee dakhliga waa ceeryaamo qoyaanka ah ee la xidhiidha hargabka hadda Peruvian.

On roobab dhexdhexaad ah ee qaaradood qalalan oo ka mid ah Jacaylku. At ay kor u roobab badan 100 mm sannadkii, oo waxay ku dhici qaab "boodh diamond" - cirbadaha baraf wanaagsan. Laakiin sababta oo ah cimiladu aad u qabow ururtay barafka si ay u sameeyaan cover barafka ee qaaradda.

Laakiin ka mid ah meelaha ay deggan yihiin nin yahay qaarada qalalan on dhulka - waa Australia. Kaalay in gurmadka halkan kaydka weyn ee dhulka loo isticmaalo waraabka, iyo waraabka oo daaqa.