Mene ne hunturu? cikakken bincike

A labarin da ya bayyana da cewa wannan hunturu, abin da shi ne, dangane da wuri a duniya, kuma me ya sa akwai da canza yanayi.

Seasons

Rayuwa a duniya tamu akwai, a cewar wasu masana kimiyya 'lissafin, fiye da biliyan 3 years old, da kuma cikin mu da hasken rana tsarin, kawai Duniya ya yi sa'a a yi wani yanayi na ci gaba da kuma tabbatarwa da nazarin halittu rayuwa. Irin abubuwan da suke da yawa. Wannan kuma gaban ruwa ruwa, a wasu nesa daga tsakiyar star, da nauyi, da yanayi, da sauransu. N. Amma, akwai wani factor, shi ne duniya ta juyawa a kusa da axis, inda akwai wani canji na yanayi. Ta yaya suke da alaka da? Very sauki, dubi wani misali daga cikin wannan Mercury. Wannan duniyar tamu ne ma kusa da Sun, da kuma, baicin, shi ne ko da yaushe ya juya zuwa daya gefen, wanda shi ne dalilin da ya sa a kan rana gefen zazzabi kai kusan 500 digiri Celsius, kuma a dare mulki har abada duhu da sanyi sarari. Saboda haka, kamar yadda za ka iya gani, da yanayi ne mai muhimmanci. Kuma a cikin wannan hali mu magana game da hunturu. Saboda haka, abin da yake hunturu?

definition

Don fara, bari mu magance sharuddan. Winter - yana da sanyi kakar, a lokacin da zafin jiki ne kiyaye barga kasa sifili digiri Celsius, kuma sau da yawa snows. Idan ka dauki kalanda hunturu a arewacin yammancin duniya, shi yana watanni 3 - Disamba, Janairu da Fabrairu. Kuma a kudu - Yuli, Yuni da watan Agusta. Saboda haka, yanzu mun san abin da hunturu. Duk da haka, don me ne a can?

A karkata daga axis

Duk da al'amarin a cikin wani sarari suKe makanikai, a gaskiya, kamar yadda duniya rotates. Tare da wasu periodicity Duniya dabam axial karkatar da girmamawa ga jirgin sama na ecliptic, saboda arewacin yammancin duniya na'am da kasa hasken rana zafi, saboda abin da talakawan zafin jiki ne a hankali saukar da, kuma a lõkacin da juriya shi ne kasa 0 darajõji, kuma ta fara da ainihin misali lokaci. Wannan shi ake kira da astronomical hunturu a arewacin yammancin duniya ta gudanar daga Disamba 22 zuwa 21 ga watan Maris. Saboda haka, mun tattauna tambaya na abin da hunturu.

weather

Duk da astronomical kwanan wata da kalanda hunturu, da sanyi kakar tare da wani mummunan zafin jiki da kuma hazo a ko'ina faruwa a hanyoyi daban-daban. Alal misali, Rasha kauyen Oymyakon, fara daga Agusta 31, thermometers sau da yawa nuna korau yanayin zafi, wannan yana zartuwa ga sauran yankuna na Yakutia da Chukotka. To, a Primorye da Khabarovsk yankin saboda da kusanci zuwa teku, da sauyin yanayi ne milder da sanyi zo, bi da bi, daga baya.

Nazarin da tambaya na abin da shi ne hunturu, shi ne daraja ambata teku igiyoyin, wanda taka muhimmiyar rawa a cikin sauyin yanayi. Alal misali, Netherlands, wanda aka wanke da Gulf Stream yana da wani m da temperate sauyin yanayi, alhãli kuwa da wannan Chukotka, yayin da shi ne kusan a kan wannan latitud, yana fama da mafi yawan shekaru daga tsananin sanyi da ruwan sama.

madawwami bazara

A duniya, akwai bangarori inda taba hunturu. Kuma da gaskiya cewa yan unguwa dauki ga sanyi, kawai sa a murmushi, a cikin mazaunan arewacin yammancin duniya, kuma shi ne - ekweita. Sa'an nan, saboda karkatar da Duniya ta axis, da canji na yanayi akwai kusan ba ya faruwa, amma faruwa a kai a kai a lokacin damina.

Iyakacin duniya dare da rana

Duka arewa da kuma kudu iyakacin duniya, akwai biyu sosai ban sha'awa sabon abu ne da iyakacin duniya a dare da rana. Iyakacin duniya dare ne lokacin da rana ne ba a rana, tare da rana da wannan abu, kawai a baya - a lokacin da rana ba ya kafa domin 24 hours. A tsawon lokaci da wadannan mamaki ne sosai dogara a kan lokaci na shekara da kuma latitud, amma mafi tsawo lokaci na iyakacin duniya dare yana kusan watanni shida a kan akai-akai.

Duk da cewa mutane suna rayuwa a dogon lokaci a cikin irin wannan mamaki, har yanzu suna da wani sakamako a kan mutum a matsayin m da kuma ta jiki. A lokacin da dare mutane sau da yawa suna da ciki da kuma bayyana mai tsanani karancin bitamin D.

Saboda haka, muna fahimtar abin da hunturu, da definition na kalmar kamar yadda muka gani.