Kwiinyanga ezimbalwa unyaka nonyaka, into yendalo idala ukuwela kwamanzi kunqabileyo kwiColorado's Great Sand Dunes National Park kunye nePreserve's IMedano Creek , kwaye umlambo ngoku ubona imiqondiso yokuqala yokufika kwalo nyaka.
IMedano Creek iqala kumabala ekhephu kwiiNtaba zeSangre de Cristo, inyibilika kwiLake iMedano kwaye iqukuqele ijikeleze isitya seendunduma zommandla, apho ijika ibe ngumjelo obanzi nongashukumiyo.
Le nto, eyaziwa ngokuba kukuhamba kokuhamba kwamanzi, yenzeka xa ikhephu kwiincopho zalo linyibilika lize liye kuthi xhaxhe kwiinduli zesanti, zenze iindawo ezingaphantsi kwamanzi entlabathini ezakha kwaye zaphule yonke imizuzwana engama-20 ukuvelisa amaza emlanjeni, abameli bepaki chaza kwividiyo .