Geomagnetism

Pasi redu rine simba remagineti rinoita mabasa akasiyana siyana ekudzivirira mwaranzi yezuva. Iyo sainzi iyo inoongorora kwakatangira, zvivakwa uye misiyano yenyika ino yemagineti inonzi geomagnetism. Mune ino posvo ticha taura nezve geomagnetism nehunhu hwayo hwese.

Kana iwe uchida kuziva zvakawanda nezve geomagnetism, ramba uchiverenga.

Chii chinonzi geomagnetism

Nyika yedu ine simba remagineti iro rinogona kucherechedzwa kubva kune imwechete uye rine mavambo maviri: imwe yemukati uye imwe yekunze. Geomagnetism ndiyo sainzi inoona nezve kuongorora mavambo, zvivakwa uye mazororo epasi rino remagineti. Magineti matanda ndeaya anowanikwa pane nzvimbo panotenderera axis yedhipole. Iyo magnetic equator ndiyo ndege yakatarisa kune ino axis. Iyo yemukati sosi yekumunda uye haina kana kugara ichiita paunifomu yangu. Sezvo nguva inofambira mberi, tiri kuona kumwe kuchinja kwekukurumidza, kwakanyanya kukosha kuti kunosiyana nenguva yenguva yemaawa makumi maviri nemana. Aya misiyano inozivikanwa sekusiyana kwepanyika.

Iyo magnetic field mune yekunze mavambo ndiyo iyo inonyanya kukonzerwa nezuva chiitiko pane ionosphere uye magnetosphere. Iko kune kumwe kushomeka kwenhambo nenguva kwakadai sekusiyana kwemwedzi, kusiana kwegore uye kusiana kwegore. Kune zvekare mamwe misiyano inokurumidza inouya kubva kune yekunze mavambo senge magineti pulsations, mabays, magineti madutu uye chromospheric mhedzisiro.

Mhando huru

Kana tichitaura nezvepasi geomagnetic munda tinoona kuti hunhu hukuru ndewekuti idipolar. Izvi zvinoreva kuti ine matanda maviri. Kune rimwe divi isu tine danda rekuchamhembe uye kune rimwe divi dondo rekumaodzanyemba. Matanda ese ari maviri akafanana. Zvinoita sekunge ndiwo magumo egonyeti. Kutenda neiyi magnetic field makambasi anoshanda. Iyi magnetic field haina kusimba pamusoro pepasi, saka macambasi anogadzirwa nekuwedzera magineti asingaremerwi pairi.

Mundima yemagineti, mitsara yekufungidzira inogadzirwa iyo inonyanya kusungirirwa pamatanda. Iyo magineti ekuchamhembe danda idanda rekumaodzanyemba regeomagnetic munda, nepo geomagnetic yekumaodzanyemba pole iri danda rekuchamhembe iro rinowanzozivikanwa.

Kutipa zano, zvinoita sekunge nyika yedu yaive nemagineti mahombe mukati mayo uye magumo ayo akanongedza kumatanda. Iko kunongedzwa kweiyi yekufungidzira magineti haina kunyatsotwasuka. Kutanga kubva pakati nepakati mativi, iwe unowana iyo bhaa yakakwenenzverwa zvishoma. Izvi ndizvo zvinozivikanwa sekuderedzwa kwegeomagnetic. Musiyano uripo pakati penzvimbo yekuchamhembe uye geomagnetic kuchamhembe unoratidzwa nekambasi. Iyo mhando yekona inosiyana zvichienderana nenzvimbo yatiri uye nemamiriro ekunze.

Sezvatakambotaura kare, iyo Nyika simba remagineti inochinja pamusoro pemakore. Parizvino, geomagnetism irikudzidza kuti pasi renyika remagineti rinotenderedzwa pakona remadhigiri gumi zvine chekuita neiyo axis yekutenderera kwepasi. Isu tinorangarira kuti axis yekutenderera kwepasi ine maitiro e23 degrees.

Iyi magnetic field inowedzera kubva mukati mepasi kusvika kune yekunze nzvimbo. Kunze kwepadenga ndiko kwainosangana ndakadaidza mhepo yezuva. Mhepo yezuva ndiyo inonzi kuyerera kwezvimedu zvinoburitswa kubva kuzuva uye izvo zvinopihwa maerekitironi, mapurotoni uye alfa.

Geomagnetism kuNational Geographic Institute

Iyo sevhisi iyo inoongorora geomagnetism ine basa hombe rekudzidza uye kuyera iro renyika remagineti munharaunda yega yega yenyika. Kuti uite izvi, iva nema geomagnetic Observies ayo anoshandiswa kuramba achinyora misiyano yese inoshanda pane iyo magnetic field. Iyo data inowanikwa munzvimbo dzakasiyana siyana dzekucherechedza uye inogadzirwa kuburitsa geomagnetic mabhuku egore.

Kuyerwa kunoitwa panzvimbo dzinodzokorodza uye densification inoitwa zvishoma kazhinji pane izvo zvinonzi mepu mapoinzi. Hunhu hwakasiyana hunogona kuwanikwa kupesanisa pakati pemamwe mapoinzi uye imwe pane yepasi. Ngatisakanganwe kuti iyo Nyika magnetic field haite zvakaenzana pamativi ese. Izvi zvinoreva kuti mhando ye cartography inofanira kujekeserwa padanho repasi rose kuitira kumisikidza misiyano inoita shanduko yezvinhu zvepasi pemagineti.

Kune dzimwe nzvimbo pasi pano apo cartographies isina kugadzirwa. Semuenzaniso, izvi zvinoitika muCanary Islands. Izvi zvinodaro nekuti pazvitsuwa izvi pane simba rakasimba rehunhu hwavo hwekuputika izvo zvinoita kuti kuvezwa kwemakero aya kusakwanisike. Iyo data yakawanikwa mune aya ma geomagnetic ekuongorora anoshandiswa kuitisa akasiyana mabasa ekutsvagisa pamwe nekubatana nemamwe masangano epasirese.

Zvinokonzera geomagnetism

Kwakatangira geomagnetism kuri pasi pePasi. Sezvo isu tatoziva, pasi redu rine akati wandei zvidimbu zvemukati. Masayendisiti anofunga kuti mukati memukati wakagadzirwa nesimbi yakasimba uye yakakomberedzwa nerudzi rwesimbi inopisa kwazvo. Nekuti kuyerera kwesimbi kunogadzira magetsi emagetsi, iyo magnetic field inogadzirwa.

Nekuti nyika yedu zvakare ine kufamba kwekutenderera, zvinobatsira kuti kupisa uku kuve nekubuda kubva pakati kusvika kune zvimwe zvikamu zvemukati. Iyo magnetic field yepasi inoumbwa nemagineti masisitimu akaiswa pamusoro pazvinhu zvinoverengeka. Imwe mavambo ndeemukati uye imwe ndeyekunze. Iko kwemukati mabviro kunoitisa anodarika 90% yemagineti munda. Izvi zvemukati mavambo haina kugadzikana asi inosiyana nekufamba kwenguva. Misiyano muPasi pemagineti munda inoitika pamusoro penguva refu uye inoda kumutsidzirwa yemamodeli anoadzidza.

Sezvauri kuona, geomagnetism sainzi inoedza kuongorora kushanduka, hunhu uye shanduko dzinoitika papasi redu zvine chekuita nePasi simba remagineti.

Ndinovimba kuti neruzivo urwu unogona kudzidza zvakawanda nezve geomagnetism.