Hamada

Domin kiyaye hangen nesa na duniya, takaddun da aka yi amfani da su za su kasance taswirorin sikelin duniya waɗanda aka gani tare da Google Earth (Sigar Pro, kyauta). Za mu yi amfani da tsoho ra'ayi (an rage zuwa kawai bayanai masu dacewa), wanda za mu iya ƙara takamaiman katunan. Na ƙarshe fayiloli ne waɗanda za'a iya buɗewa a cikin Google Earth don samun "Layer" na bayanai waɗanda aka sanya akan tushen hoton software (Duba abubuwan da ke ƙasa.)

Yana iya zama da amfani farawa ta hanyar gabatar da software da dabarun da ya dogara da su: tarin bayanan tauraron dan adam (Google Earth kuma yana amfani da hotunan iska). Ya kamata mu jaddada muhimmancin wannan hangen nesa na "waje" a nesa daga Duniya don fahimtar hanyoyin haɗin da ke haɗa mahalli da mutane waɗanda ke da nisa daga geographically, watau hangen nesa na duniya game da halayyar duniyar duniyar ta zamani.

Mataki na farko ya ƙunshi lura da duniya kamar yadda ake gano hamada, wanda aka kwatanta da farko a matsayin wuraren da ba mutum ya mamaye ba. Ka'idar ita ce neman alamun aikin ɗan adam da yin tunani a kan shimfidar wurare, yanayin yanayin da aka lura da shi a kan babban sikelin (launi, tsarin). Motsawa da zuƙowa yana ba da damar ra'ayoyi don fayyace ko karyata (bambance tsarin halitta daga tsarin wucin gadi, alal misali). Aikin malami shi ne jagorantar tafsirin alamomi. Don fayyace abin lura, ana iya sanya taswirar murfin ƙasa (nau'in ciyayi, wuraren da aka noma, wuraren wucin gadi, da sauransu).

Za mu iya kammala wannan bincike mai zurfi na farko ta hanyar duba taswirar yawan jama'a. A ƙarshen wannan mataki, yara ya kamata su sami wasu ra'ayoyi game da dangantakar dake tsakanin yanayin yanayi da kasancewar mutum (matsayin ƙuntatawa na yanayin yanayi) da kuma taƙaitaccen jerin wuraren da mutane ba su kasance ba.

Mataki na biyu ya ƙunshi mayar da hankali kan waɗannan fagage da halayen muhallinsu, musamman ma alaƙar da ke tsakanin kasancewar ruwa da kasancewar rayuwa. Wannan ita ce ma'anar kimiyya ta kalmar sahara. Akwai taswirorin kima aidity. Don taswirar rayuwa, matsalar ta fi rikitarwa, amma ana iya amfani da wasu taswirori na musamman na duniya, don tantance bambancin halittu ko halittu.

Manufar ita ce tabbatar da cewa ko a wuraren da mutane ba su mamaye ba, ciyayi ko na dabbobi na iya kasancewa a halin yanzu. Babu shakka teku ita ce misali mai kyau, musamman saboda kawai mun fara auna nau'in halittunsa. Don haka, ƙananan yankuna na duniya suna da gaske abiotic (ba tare da kasancewar rayuwar kwayoyin halitta ba): akwai kawai hamadar glacial, inda.

ruwa yana nan, amma a cikin daskarewa.