Amaza kunye nenyanga

iziphumo zamaza nenyanga

Ukunyuka kwamaxesha kunye nokuwa kwemiyalelo kuqhutywa ngamaza. Zenzeka malunga neeyure ezingama-24. Zibangelwa ngumxhuzulane wenyanga nelanga kwiilwandlekazi zomhlaba. Umtsalane weLanga, nangona mkhulu kunalowo weNyanga, unempembelelo encinci kumaza ngenxa yomgama wawo ukusuka eMhlabeni. Ukusondela kweNyanga kuMhlaba, kwelinye icala, kunempembelelo ebalulekileyo kumaza. Ke ngoko, amaza kunye nenyanga zinobudlelwane obubaluleke kakhulu.

Kweli nqaku siza kukuxelela yonke into oyifunayo ukuyazi malunga namaza kunye nenyanga kunye nendlela echaphazela ngayo ulwandle.

Amaza kunye nenyanga

amaza nenyanga

Njengoko uMhlaba ujikeleza, amandla omxhuzulane atsalela amanzi kwicala elijonge eNyangeni, nto leyo ebangela umsinga omkhulu. Kwangaxeshanye, amanzi kwelinye icala loMhlaba nawo akhukuliswe, abangele omnye umsinga omkhulu. Xa amanzi ewutha, kubakho amaza aphantsi.

Amaza kukuguquguquka okuthe rhoqo kwinqanaba lolwandle, okubangelwa kukutsalwa komxhuzulane weLanga neNyanga ngokunxulumene noMhlaba. Le nyaniso ibangela imfuduko yobuninzi bamanzi emhlabeni wonke, kuba iphenjelelwa zizidalwa zasezulwini ezikummandla wethu. Umtsalane weNyanga unamandla aphindwe ka-2-3 kuneLanga, kuba iNyanga ikufuphi kakhulu noMhlaba.

Ukwakheka kwamaza kwenzeka nzulu elwandle, kubangela impembelelo yawo ukuba isasazeke ngaphandle kwaye ichaphazele amanxweme kwihlabathi jikelele, okukhokelela ekudaka kunye nokuhamba kolwandle. Iilwandle zinamanzi amaninzi ashukumayo ngenxa yomxhuzulane.

Ukuhamba kwamanzi esingise elunxwemeni kwaziwa ngokuba yi "flow", ngelixa amanzi ebuyela elwandle ngenxa yomtsalane weLanga kwaye kakhulu iNyanga ibizwa ngokuba yi "ebb". Lo mjikelo ungaguquguqukiyo wokuhamba kwamanzi udala into esiyibiza ngokuba ngamaza, nto leyo kukuhla nokuhamba kwamanzi kumanxweme. Lo mjikelo udala amaza aphakamileyo amabini kunye namaza amabini aphantsi ngosuku ngalunye, ebangela ukuba kuphume amanzi amabini ukuya ngaselunxwemeni kunye neebbs ezimbini zamanzi ukuya elwandle. Ekugqibeleni, ukuhla nokuhamba kwamanzi yeyona nto iphambili ekuqhubeni amaza.

Newton, amaza kunye nenyanga

amaza aphezulu kunye namaza aphantsi

Igalelo lika-Isaac Newton kwinzululwazi lamkelwa ngokubanzi, nomsebenzi wakhe womxhuzulane nenzululwazi yamaza ungowona ubangel’ umdla. Iithiyori zikaNewton zomxhuzulane aziphelelanga nje ekubeni sisiseko sefiziksi yale mihla, kodwa zikwasinceda ukuba siqonde ubuchwephesha besixokelelwano selanga kunye neentshukumo zasesibhakabhakeni. Izifundo zakhe kwisayensi yolwandle, ephonononge intsebenziswano entsonkothileyo phakathi kweNyanga kunye nolwandlekazi loMhlaba, ikhokelele kulwazi olutsha malunga nokuziphatha kwamaza kunye neepatheni zawo. Umsebenzi kaNewton useyinxalenye ebalulekileyo yolwazi lwezenzululwazi unanamhla.

Ingcaciso yale misinga ixhomekeke kwimigaqo emiselwe yimithetho kaNewton. Umthetho womtsalane phakathi koMhlaba, iLanga neNyanga usekelwe ikakhulu kumandla womxhuzulane. UNewton wamisela ukuba umtsalane phakathi kwezinto ezimbini ulungelelaniswa nobunzima bazo kwaye ulungelelanisa ngokuphambeneyo kwisikwere somgama ophakathi kwazo.

Ukuyibeka ngenye indlela, umtsalane womxhuzulane phakathi kwezinto ezimbini unamandla ngakumbi xa ubunzima bazo bukhulu naxa zisondele. Indlela yeNyanga ejikeleze uMhlaba i-elliptical, kanye njengokuba i-orbit yethu ejikeleze iLanga nayo i-elliptical. Ngokuphathelele iNyanga, icala loMhlaba elijongene nayo lifumana umxhuzulane owomeleleyo ngenxa yokuba kufutshane nesathelayithi.

Oku kubangela ukuba amanzi amaninzi atsalelwe kuwo, abangele amaza aphezulu. Ngokuchaseneyo, icala elichaseneyo lifumana umtsalane obuthathaka obuthathaka ngenxa yamandla aphakathi komhlaba onxulumene neNyanga, okukhokelela kumandla asezantsi aphezulu.

Xa usebenzisa ifomula kaNewton, kubalulekile ukuqonda ukuba umgama udlala indima enkulu kunobunzima ekubaleni amandla omxhuzulane phakathi kwemizimba emibini. Ngenxa yoko, amandla anomtsalane asetyenziswa yiNyanga ngama-2 ukuya kwangama-3 amakhulu kunalawo eLanga, nangona le yokugqibela inkulu. Ngenxa yoko, amaza enyanga abonakalisa amandla amakhulu xa kuthelekiswa namaza elanga.

Umsinga ophezulu kunye ne-low tide

impembelelo yamaza

Isenzeko samaza aphezulu naphantsi yinto yendalo eyenzeka ngenxa yomtsalane wenyanga kunye nelanga kwiilwandlekazi zomhlaba. Ngexesha lokuhamba kwamanzi aphezulu, inqanaba lamanzi likwinqanaba eliphezulu, ngelixa ngexesha eliphantsi kwamanzi, lisezantsi. Lo mzekelo I-cyclical kwaye iyenzeka kabini ngosuku, malunga neeyure ezintandathu phakathi komsinga ngamnye ophezulu kunye nophantsi. Ingumba obalulekileyo wenkqubo yendalo engaselunxwemeni kwaye idlala indima ebalulekileyo ekulawuleni ubomi baselwandle kunye nokukhukuliseka konxweme.

Eyona ndawo iphakamileyo ulwandle lufikelela kuyo yaziwa ngokuba yi-high tide. Oku kwenzeka kabini ngemini, kunye nekhefu leeyure ezili-12 kunye nemizuzu engama-25 phakathi kwembonakalo nganye. Umsinga ophantsi, okanye eyona ndawo iphantsi ulwandle olufikelela kuyo, nayo iyenzeka kabini ngemini, kunye nekhefu lexesha elifanayo njengamaza aphezulu. Ubude bexesha lesiqingatha solwandle, eli lixesha eliphakathi kwamaza aphezulu kunye namaza aphantsi, Ziiyure ezi-6, imizuzu eyi-12 kunye nemizuzwana engama-30. Ngenxa yoko, umsinga utshintsha yonke imihla malunga nemizuzu engama-50.

Izikolo zokusefa zisekelwe kuyo indawo yesalathiso ehlala malunga nemizuzu engama-45-50 ukuseta amaxesha akho kwiikhosi zosuku olulandelayo lwe-surf.. Le ndlela isetyenziswa kuba ulwandle ngalunye lunendawo elungele ukusefa. Abantu abahlukahlukeneyo kufuneka baqaphele xa kuvela amaza aphezulu kwaye xa "i-ebb" yamanzi iqala, njengoko amandla olwandle anokubatsalela emanzini anzulu. Ke ngoko, kuyacetyiswa ukuba untywilise ngexesha lomlambo ophantsi. Ngokufanayo, i-low tide lixesha elifanelekileyo lokuba abaninzi abadobi bahambe baye kuloba, ngakumbi ngexesha lokuhamba kwentwasahlobo.

Ndiyathemba ukuba ngolu lwazi unokufunda ngakumbi malunga namaza kunye nenyanga.


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