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Oahu – the third largest of the Hawaiian Islands – will be reduced to nothing more than a flat island, someday, according to a research led by Brigham Young University geologist Steve Nelson.
“We tried to figure out how fast the island is going away and what the influence of climate is on that rate. More material is dissolving from those islands than what is being carried off through erosion,” said Nelson.
The findings, published in the journal Geochimica et Cosmochimica Acta, show that the Koolau and Waianae mountains of Oahu are dissolving from within.
The study pitted groundwater against stream water to see which removed more mineral material. Nelson and his colleagues spent two months sampling both types of sources. In addition, ground and surface water estimates helped them calculate the total quantity of mass that disappeared from the island each year.
Read more here.
“We tried to figure out how fast the island is going away and what the influence of climate is on that rate. More material is dissolving from those islands than what is being carried off through erosion,” said Nelson.
The findings, published in the journal Geochimica et Cosmochimica Acta, show that the Koolau and Waianae mountains of Oahu are dissolving from within.
The study pitted groundwater against stream water to see which removed more mineral material. Nelson and his colleagues spent two months sampling both types of sources. In addition, ground and surface water estimates helped them calculate the total quantity of mass that disappeared from the island each year.
Read more here.
