No kun se Nature on nyt tämänkin palstan AGW kansan peer-rewiev totuudeksi hyväksytty julkaisu, niin poimitaanpas sieltä yksi artikkeli keskiajan lämpökaudesta esittelyyn.
"Another peer reviewed paper with a paleoclimatology reconstruction based on cores containing plankton shells, show that both the Medieval Warm Period (MWP) and the Little Ice Age (LIA) can be seen in Indonesia. In the past, critics have said these events to be “regional” implying they occurred only around Europe, due to lack of historical records in other regions of the world.
Since the Oxygen18 isotope dating method seems well proven, it would seem this study has a good basis for its claims. Even RC’s Gavin Schmidt likes it.
Description
Oppo et al. derived a continuous sea surface temperature (SST) reconstruction from the Indo-Pacific Warm Pool (IPWP), which they describe as “the largest reservoir of warm surface water on the earth and the main source of heat for the global atmosphere.” This history — which was based on δ18O and Mg/Ca data obtained from samples of the planktonic foraminifera Globigerinoides ruber found in two gravity cores, a nearby multi-core (all at 3°53′S, 119°27′E), and a piston core (at 5°12′S, 117°29′E) that were recovered from the Makassar Strait on the Sulawesi margin — spans the past two millennia and, as they describe it, “overlaps the instrumental record, enabling both a direct comparison of proxy data to the instrumental record and an evaluation of past changes in the context of twentieth century trends.” Reconstructed SSTs were, in their words, “warmest from AD 1000 to AD 1250 and during short periods of first millennium.”
Reference
Oppo, D.W., Rosenthal, Y. and Linsley, B.K. 2009. 2,000-year-long temperature and hydrology reconstructions from the Indo-Pacific warm pool. Nature 460: 1113-1116."
Huomatkaa vuosi 2009.
"Another peer reviewed paper with a paleoclimatology reconstruction based on cores containing plankton shells, show that both the Medieval Warm Period (MWP) and the Little Ice Age (LIA) can be seen in Indonesia. In the past, critics have said these events to be “regional” implying they occurred only around Europe, due to lack of historical records in other regions of the world.
Since the Oxygen18 isotope dating method seems well proven, it would seem this study has a good basis for its claims. Even RC’s Gavin Schmidt likes it.
Description
Oppo et al. derived a continuous sea surface temperature (SST) reconstruction from the Indo-Pacific Warm Pool (IPWP), which they describe as “the largest reservoir of warm surface water on the earth and the main source of heat for the global atmosphere.” This history — which was based on δ18O and Mg/Ca data obtained from samples of the planktonic foraminifera Globigerinoides ruber found in two gravity cores, a nearby multi-core (all at 3°53′S, 119°27′E), and a piston core (at 5°12′S, 117°29′E) that were recovered from the Makassar Strait on the Sulawesi margin — spans the past two millennia and, as they describe it, “overlaps the instrumental record, enabling both a direct comparison of proxy data to the instrumental record and an evaluation of past changes in the context of twentieth century trends.” Reconstructed SSTs were, in their words, “warmest from AD 1000 to AD 1250 and during short periods of first millennium.”
Reference
Oppo, D.W., Rosenthal, Y. and Linsley, B.K. 2009. 2,000-year-long temperature and hydrology reconstructions from the Indo-Pacific warm pool. Nature 460: 1113-1116."
Huomatkaa vuosi 2009.
Vastaukset 3
Vanhimmat
Menenkin nukkumaan, kun hihhuli ei kyennyt sanomaankaan tähän yhtään mitään. Hyvät yöt!
Otapas karttapallo käteen, vaikka se puhallettava. Siirtele sormeasi seuraaviin paikkoihin: Pohjois-Atlanti. Pohjois-Amerikka. Korea. Japani. Kiina. Siperia. Pohjois-Eurooppa. Väli-Amerikka. Etelä-Amerikka. Uusi-Seelanti. Australia. Indonesia.
Näyttääkö siltä, että kun näissä kaikissa paikoissa oli samoihin aikoihin lämmintä, kyse oli paikallisesta ilmiöstä siellä ensimmäisessä paikassa?
Oli piilotettu loppuun yhteen lauseesen ettei kukaan huomaisi.
Reconstructed SSTs were, in their words, “warmest from AD 1000 to AD 1250 and during short periods of first millennium.”
"Lämpimintä vuodesta 1000 vuoteen 1250 jkr ja ensimmäisen vuosituhannen lyhyinä jaksoina"
Tätäkin pitää sitten tulkita, onko 30 luvun lämpimät "lyhyt jakso"
Sanokaa jos olen käsittänyt väärin?