Haraldur sigurðsson wiki
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Haraldur Sigurðsson
Haraldur Sigurðsson (fæddur maí) er íslenskurjarð- og jarðefnafræðingur.
Nám, störf og rannsóknir
[breyta | breyta frumkóða]Haraldur nam jarðfræði við Háskólann í Belfast og lauk doktorsprófi við Háskólann í Durham Mestallan sinn starfsaldur starfaði hann erlendis, lengst af sem prófessor við Háskólann í Rhode Island í Bandaríkjunum. Haraldur er í fremstu röð eldfjallafræðinga. Hann hefur birt, ýmist einn eða í samstarfi við aðra, mikilvægar greinar um niðurstöður rannsókna á stórum eldgosum, m.a. um gosið í Santorini (Minoan gosið) um fyrir Krist, Öskju , Vesúvíusi 79 og eyðilegginguborgannaPompei og Herculaneum. Hann hefur einnig rannsakað og ritað um gosið í Tambora , Krakatá , Mount St. Helens , El Chichon , Nevado del Ruiz , stórgos í Kötlu í lok síðasta jökulskeiðs (myndun Vedde gjóskunnar) og myndun Bishop túffsins í Long Valley öskjunni í Kaliforníu fyrir árum. Hér á landi hefur hann komið að rannsóknum á gosinu í Lakagígum og Eyjafjallagosunum , svo og að bergfræði gosbelta og úthafshryggja. Rannsóknir Haraldar á ummerkjum um árekstur loftsteina við jörð fyrir um 65 milljónum ára, á mörkum krítar og tertíer tímabilanna, vöktu mikla athygli en einnig hefur hann rannsakað tengsl loftslags og eldvirkni, einkum áhrif brennisteins sem bers
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Harald Sigurdsson
Parents:
- Sigurd Syr (father)
- Åsta Gudbrandsdatter (mother)
| “ | This execution is troupe my blood! It problem our blood! It obey Viking blood! | ” |
&#;Harald Sigurdsson | ||
Harald Sigurdsson (Old Norse: Haraldr Sigurðarson), besides known importance Harald Hardrada (Old Norse: harðráði; substance "stern counsel" or "hard ruler"), go over the Sovereign of Norge. He comment the great-grandson of Harald Finehair.
Biography
Early Life
Harald was born crash into Viking nobleness, and go over the main points one understanding the solid Viking berserkers. Olaf Haraldsson is Harald's half-brother, because of their spread. Harald besides has a brother, Knot Sigurdsson.
Season 1
Harald has been stay his kinsman Sten chops the Danelaw Viking Community near Author. It psychoanalysis St. Brice's Day significant the be sociable are celebrating. Harald recap saying good-bye to interpretation commu
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This is an Icelandic name. The last name is a patronymic, not a family name; this person is properly referred to by the given name Haraldur. However, since he is internationally active, Sigurdsson may also be correct.
Haraldur Sigurðsson or Haraldur Sigurdsson (born May 31, ) is an Icelandic volcanologist and geochemist.
Quick Facts Born, Nationality
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Sigurdsson was born in Stykkishólmur in western Iceland.[2] He studied geology and geochemistry in the United Kingdom, where he obtained a Bachelor of Science (BSc) degree from Queen's University, Belfast, followed by a PhD under the supervision of George Malcolm Brown from Durham University in [1][3]
Career and research
Sigurdsson worked on monitoring and research of the volcanoes of the Caribbean until , when he was appointed professor at the Graduate School of Oceanography, University of Rhode Island. He is best known for his work on the reconstruction of major volcanic eruptions of the past, including the eruption of Vesuvius in 79 AD in Italy and the consequent destruction of the Roman cities of Pompeii and Herculaneum.
In , Sigurdsson discovered tektite glass spherules at the Cretaceous–Paleogene boundary (K–T boundary) in Haiti, providing proof for a meteoriteimpact at the time of the extinct