Multi-proxy analysis of sediment cores from Lake Azul (Azores archipelago, Portugal)
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| Natura: | Dataset Open Access |
| Lingua: | en |
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PANGAEA
2021
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| _version_ | 1867170109389275136 |
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| author | Raposeiro, Pedro Miguel Hernández, Armand Gonçalves, Vítor Bao, Roberto Sáez, Alberto Shanahan, Timothy M Rúbio, Maria Jesus Vázquez-Loureiro, David Giralt, Santiago |
| author_facet | Raposeiro, Pedro Miguel Hernández, Armand Gonçalves, Vítor Bao, Roberto Sáez, Alberto Shanahan, Timothy M Rúbio, Maria Jesus Vázquez-Loureiro, David Giralt, Santiago |
| collection | Datos científicos de ciencias marinas y ambientales |
| contents | The Azores archipelago is a group of nine oceanic volcanic islands located in the mid-North Atlantic, roughly 1500 km from Europe and 1900 km from America. Lake Azul located in São Miguel island has a surface area of 4.35 km, 28m of maximum depth and is located at 259m above sea level. A coring campaign was conducted in September 2011 using a 60mm diameter UWITEC gravity corer from UWITEC floating platform retrieving a Core AZ11_02 (1.70 m long) located in the deep basin of the lake (27m depth). The core was dated using ¹⁴C and produced a multi-proxy dataset of geochemical and biological analyses that we used to uncover paleoenvironmental changes on Lake Azul in the last 660 years. |
| format | Dataset Open Access |
| id | pangaea_https___doi_org_10_1594_PANGAEA_933710 |
| institution | PANGAEA |
| language | en |
| publishDate | 2021 |
| publisher | PANGAEA |
| record_format | pangaea |
| spellingShingle | Multi-proxy analysis of sediment cores from Lake Azul (Azores archipelago, Portugal) Raposeiro, Pedro Miguel Hernández, Armand Gonçalves, Vítor Bao, Roberto Sáez, Alberto Shanahan, Timothy M Rúbio, Maria Jesus Vázquez-Loureiro, David Giralt, Santiago Accumulation rate, 5alpha-stigmastan-3beta-ol; Accumulation rate, 5beta-cholestan-3beta-ol; Aerophilous diatoms; Age; AGE; Azores Archipelago; Azul11; Carbon, organic, total; Carbon, organic, total/Nitrogen, total ratio; Carbon dioxide, partial pressure, blood, standard error; Chironomid analysis (Brooks et al, 2007, The identification and use of Palaeartic Chironomid Larvae in Palaecology); Chironomini; deep lake; Development of a CCAMLR Marine Protected Area in the Antarctic Weddell Sea; Diatom analysis (Battarbee, 1986, in Berglund, Handbook of Holocene Pal.); Diatoms, benthic; Diatoms, planktic; Gas chromatography - Mass spectrometry (GC-MS); GCUWI; Gravity corer, UWITEC; Lake Azul, Azores; Mass spectrometer Finnigan Finnigan delta Plus EA-CF-IRMS; multiproxy; Nitrogen, total; oceanic island; Orthocladiinae; Tanypodinae; Tanytarsini; WSMPA; δ13C; δ15N The Azores archipelago is a group of nine oceanic volcanic islands located in the mid-North Atlantic, roughly 1500 km from Europe and 1900 km from America. Lake Azul located in São Miguel island has a surface area of 4.35 km, 28m of maximum depth and is located at 259m above sea level. A coring campaign was conducted in September 2011 using a 60mm diameter UWITEC gravity corer from UWITEC floating platform retrieving a Core AZ11_02 (1.70 m long) located in the deep basin of the lake (27m depth). The core was dated using ¹⁴C and produced a multi-proxy dataset of geochemical and biological analyses that we used to uncover paleoenvironmental changes on Lake Azul in the last 660 years. |
| title | Multi-proxy analysis of sediment cores from Lake Azul (Azores archipelago, Portugal) |
| topic | Accumulation rate, 5alpha-stigmastan-3beta-ol; Accumulation rate, 5beta-cholestan-3beta-ol; Aerophilous diatoms; Age; AGE; Azores Archipelago; Azul11; Carbon, organic, total; Carbon, organic, total/Nitrogen, total ratio; Carbon dioxide, partial pressure, blood, standard error; Chironomid analysis (Brooks et al, 2007, The identification and use of Palaeartic Chironomid Larvae in Palaecology); Chironomini; deep lake; Development of a CCAMLR Marine Protected Area in the Antarctic Weddell Sea; Diatom analysis (Battarbee, 1986, in Berglund, Handbook of Holocene Pal.); Diatoms, benthic; Diatoms, planktic; Gas chromatography - Mass spectrometry (GC-MS); GCUWI; Gravity corer, UWITEC; Lake Azul, Azores; Mass spectrometer Finnigan Finnigan delta Plus EA-CF-IRMS; multiproxy; Nitrogen, total; oceanic island; Orthocladiinae; Tanypodinae; Tanytarsini; WSMPA; δ13C; δ15N |
| url | https://doi.org/10.1594/PANGAEA.933710 |