{"refrec":{"BRefID":368689,"RR":"<b>Rush, W.; Self-Trail, J.M.; Zhang, Y.; Sluijs, A.; Brinkhuis, H.; Zachos, J.C.; Ogg, J.G.; Robinson, M.M.</b> (2023). Assessing environmental change associated with early Eocene hyperthermals in the Atlantic Coastal Plain, USA. <i>Clim. Past 19(8)</i>: 1677-1698. <a href=\"https://dx.doi.org/10.5194/cp-19-1677-2023\" target=\"_blank\">https://dx.doi.org/10.5194/cp-19-1677-2023</a>","BEntID":366415,"PublicFlag":1,"CheckedFlag":0,"wosflag":1,"vabbflag":1,"RefStringPartII":". <i>Clim. Past 19(8)</i>: 1677-1698. <a href=\"https://dx.doi.org/10.5194/cp-19-1677-2023\" target=\"_blank\">https://dx.doi.org/10.5194/cp-19-1677-2023</a>","DocTypID":8,"DocType":"Journal article","MarineFlag":0,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Rush, W.; Self-Trail, J.M.; Zhang, Y.; Sluijs, A.; Brinkhuis, H.; Zachos, J.C.; Ogg, J.G.; Robinson, M.M.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Rush, W. <i>et al.</i>","Englishabstract":"Eocene transient global warming events (hyperthermals) can  provide insight    into a future warmer world. While much research has focused on  the    Paleocene–Eocene Thermal Maximum (PETM), hyperthermals of a smaller    magnitude can be used to characterize climatic responses over different    magnitudes of forcing. This study identifies two events, namely the Eocene    Thermal Maximum 2 (ETM2 and H2), in shallow marine sediments of the    Eocene-aged  Salisbury Embayment of Maryland, based on magnetostratigraphy,    calcareous  nannofossil, and dinocyst biostratigraphy, as well as the    recognition of  negative stable carbon isotope excursions (CIEs) in biogenic    calcite. We assess  local environmental change in the Salisbury Embayment,    utilizing clay  mineralogy, marine palynology, <i>δ</i><sup>18</sup>O of    biogenic calcite,  and biomarker paleothermometry (TEX<sub>86</sub>).    Paleotemperature proxies  show broad agreement between surface water and    bottom water temperature  changes. However, the timing of the warming does    not correspond to the CIE of  the ETM2 as expected from other records, and    the highest values are observed  during H2, suggesting factors in addition    to <i>p</i>CO <sub>2</sub> forcing  have influenced temperature changes in    the region. The ETM2 interval exhibits a  shift in clay mineralogy from    smectite-dominated facies to illite-rich facies,  suggesting hydroclimatic    changes but with a rather dampened weathering response  relative to that of    the PETM in the same region. Organic walled dinoflagellate  cyst assemblages    show large fluctuations throughout the studied section, none  of which seem    systematically related to CIE warming. These observations are  contrary to    the typical tight correspondence between climate change and  assemblages    across the PETM, regionally and globally, and ETM2 in the Arctic  Ocean. The    data do indicate very warm and (seasonally)  stratified conditions, likely    salinity-driven, across H2. The absence of  evidence for strong    perturbations in local hydrology and nutrient supply during  ETM2 and H2,    compared to the PETM, is consistent with the less extreme forcing  and the    warmer pre-event baseline, as well as the non-linear response in    hydroclimates to greenhouse forcing.","AbstractOtherLang":null,"BibLvlCode":"AS","StandardTitle":"Assessing environmental change associated with early Eocene hyperthermals in the Atlantic Coastal Plain, USA","OrigTitleLangCode":"en","OrigTitleLangCodeExtended":"eng","OrigTitleLangID":15,"DateLastModified":{"date":"2026-04-21 01:33:25.850396","timezone_type":1,"timezone":"+02:00"},"UserAccessRight":null,"UserAccID":null,"AuthorKeywords":null,"OtherDescriptors":null,"Notes":null,"AnaPub":2023,"MonPub":null,"DateUpdate":"2023-11-15","DateCreate":"2023-11-15","SecASFANote":null,"ConfID":null,"PeerRev":1,"VlizCoreFlag":1,"WoScode":"WOS:001049971500001","VABBcode":null,"OpenAcc":1,"DOI":"10.5194/cp-19-1677-2023"},"refs":null,"anarec":{"AnaID":368689,"PubliDate":2023,"Pagination":"1677-1698","XtraPublOfAnaID":null,"ISBN":null,"Volume":"19","Issue":"8","BRefMon":null,"BRefMonRR":null,"BRefXtra":null,"BRefXtraRR":null,"SerBRefID":220505,"SerRR":"Climate of the Past. 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