Finn Surlyk | University of Copenhagen (original) (raw)
Papers by Finn Surlyk
Canadian Journal of Earth Sciences, 1983
Bookmarks Related papers MentionsView impact
Bookmarks Related papers MentionsView impact
Geology, Jan 1, 2012
The physiological effects of high CO2 concentrations, i.e., [CO2], on plant stomatal responses m... more The physiological effects of high CO2 concentrations, i.e., [CO2], on plant stomatal responses
may be of major importance in understanding the consequences of climate change, by caus- ing increases in runoff through suppression of plant transpiration. Radiative forcing by high [CO2] has been the main consideration in models of global change to the exclusion of plant physiological forcing, but this potentially underestimates the effects on the hydrological cycle, and the consequences for ecosystems. We tested the physiological responses of fossil plants from the Triassic–Jurassic boundary transition (Tr–J) succession of East Greenland. This interval marks a major high CO2-driven environmental upheaval, with faunal mass extinc- tions and significant floral turnover. Our results show that both stomatal size (expressed in fossil material as SL, the length of the stomatal complex opening) and stomatal density (SD, the number of stomata per mm2) decreased significantly during the Tr–J. We estimate, using a leaf gas-exchange model, that the decreases in SD and SL resulted in a 50%–60% drop in stomatal and canopy transpiration at the Tr–J. We also present new field evidence indicating simultaneous increases in runoff and erosion rates. We propose that the consequences of sto- matal responses to elevated [CO2] may lead to locally increased runoff and erosion, and may link terrestrial and marine biodiversity loss via the hydrological cycle.
Bookmarks Related papers MentionsView impact
Bulletin of the Geological Society of Denmark
The new middle Danian Faxe Formation is defined on the basis of the succession exposed in the lar... more The new middle Danian Faxe Formation is defined on the basis of the succession exposed in the large Faxe quarry in eastern Denmark. The formation is defined as a distinct mappable lithostratigraphic unit of interfingering coral and bryozoan limestone passing laterally into bryozoan limestones of the Stevns Klint Formation. The Baunekule facies is recognized in the upper part of the coral mound complex of the Faxe Formation, where it forms isolated lensoidal bodies in the flanks of some of the coral mounds. It is characterised by a high diversity invertebrate fauna with both calcite and originally aragonite-shelled benthic invertebrates set in weakly consolidated coral-dominated floatstone to rudstone. The diagenesis of the Baunekule facies is of special significance because a high proportion of the originally aragonite-shelled fauna is preserved by recrystallization to calcite during early burial diagenesis. More than 80% of the species from the Baunekule facies are unknown from oth...
Bookmarks Related papers MentionsView impact
Thick successions of marine Middle Jurassic deposits rich in ammonites occur in the Jameson Land ... more Thick successions of marine Middle Jurassic deposits rich in ammonites occur in the Jameson Land Basin in central East Greenland. The so-called Cranocephalites beds of this basin, comprising the Indistinctus–Pompeckji Zones were until now largely represented by a single collection. This was made by T. Harris during a 1927 excursion up the valley of Ugleelv to Katedralen, the type area of Cranocephalites pompeckji, which is the oldest named species of this genus. Revisits to this area in 1994 and 1996 by JHC resulted in a large bed-by-bed collection of Cranocephalites. The number of faunal horizons that could be distinguished grew from the nine previously recognized to 34 today. The zonal stratigraphy of the Cranocephalites beds encompasses, the Borealis, Indistinctus and Pompeckji Zones. The Pompeckji Zone is subdivided into four new subzones, reflecting four successive basic morphologies of Cranocephalites that should be recognizable more widely and are thus useful for subzonal correlations. The detailed zonation, that serves as the secondary standard zonation for the Boreal Province in the Middle Jurassic is thus highly improved. The biostratigraphic resolution obtained here is near the achievable limits. It allows a high-resolution study of the evolution of the ammonites which on this time-scale appears to be continuous. New species are described: Cranocephalites carolae sp. nov., Cranocephalites intermissus sp. nov., Cranocephalites episcopalis sp. nov.
Bookmarks Related papers MentionsView impact
Bookmarks Related papers MentionsView impact
Bulletin of the Geological Society of Denmark
... 15). Methods Multi-model photogrammetry allows production of high quality lateral profiles fr... more ... 15). Methods Multi-model photogrammetry allows production of high quality lateral profiles from series of photo-graphs taken with small-frame hand held cameras (Dueholm 1992). ... Further details are presented in Dueholm (1992) and Dueholm et al. (1993). ...
Bookmarks Related papers MentionsView impact
Geological Survey of Denmark and Greenland
Bookmarks Related papers MentionsView impact
Bulletin of the Geological Society of Denmark
... 58 ° 57 ° 56 Stenlille Slagelse Næstved Skælskør Nyborg Ringe Faxe Egesborg Feddet Stevns Kli... more ... 58 ° 57 ° 56 Stenlille Slagelse Næstved Skælskør Nyborg Ringe Faxe Egesborg Feddet Stevns Klint Limhamn Præstø ... The upper part of the Chalk group shows the de-velopment of a marked seafloor relief at the end of the Cretaceous, particularly in the late maastrich-tian. ...
Bookmarks Related papers MentionsView impact
A new lithostratigraphic unit, the Bristol Elv Formation, is erected in this paper. It is only kn... more A new lithostratigraphic unit, the Bristol Elv Formation, is erected in this paper. It is only known from Traill Ø, East Greenland, where it unconformably overlies Triassic redbeds of the Fleming Fjord Formation and is overlain by lithologically similar shallow marine Upper Bajocian sand- stones of the Pelion Formation. The age of the formation is not well constrained but is
Bookmarks Related papers MentionsView impact
Lethaia, 1973
Bookmarks Related papers MentionsView impact
Palaeogeography, Palaeoclimatology, Palaeoecology, 1974
Bookmarks Related papers MentionsView impact
Sedimentology, 1977
ABSTRACT
Bookmarks Related papers MentionsView impact
Palaeogeography, Palaeoclimatology, Palaeoecology, 1990
... Fensome, RA, 1979. Dinoflagellate cysts and acritarchs from the Middle and Upper Jurassic ofJ... more ... Fensome, RA, 1979. Dinoflagellate cysts and acritarchs from the Middle and Upper Jurassic ofJameson Land, East Greenland. Bull. Gronl. ... S.tratigraphie der Jurabildungen OstgrSn-lands zwischen Hochstetterbugten (75 N.) und dem Kejser Franz Joseph Fjord (73 N.). Medd. ...
Bookmarks Related papers MentionsView impact
Bulletin of the Geological Society of Denmark, 1978
Bookmarks Related papers MentionsView impact
Nature, 1978
Bookmarks Related papers MentionsView impact
Nature, 1980
Bookmarks Related papers MentionsView impact
Lethaia, 1976
... conglomerates, turbidites and mudstones of the Lindemans Bugt and Palna-tokes Bjerg Formation... more ... conglomerates, turbidites and mudstones of the Lindemans Bugt and Palna-tokes Bjerg Formations (Middle Volgian-Valanginian; Surlyk 1975a, b; Surlyk & Clem-mensen 1975a, b). The pre-tectonic Jurassic sediments are all included in the Jameson Land Group (Surlyk ...
Bookmarks Related papers MentionsView impact
Geology, 1988
Bookmarks Related papers MentionsView impact
Geology, 1992
... REFERENCES CITED Dam, G., 1991, Wave-and storm-dominated lacustrine deltas; Kap Stewart Forma... more ... REFERENCES CITED Dam, G., 1991, Wave-and storm-dominated lacustrine deltas; Kap Stewart Forma-tion (Rhaetian-Sinemurian), Jameson Land, East Greenland [Ph.D. thesis]: Copenhagen, University of Copenhagen, pt. ...
Bookmarks Related papers MentionsView impact
Canadian Journal of Earth Sciences, 1983
Bookmarks Related papers MentionsView impact
Bookmarks Related papers MentionsView impact
Geology, Jan 1, 2012
The physiological effects of high CO2 concentrations, i.e., [CO2], on plant stomatal responses m... more The physiological effects of high CO2 concentrations, i.e., [CO2], on plant stomatal responses
may be of major importance in understanding the consequences of climate change, by caus- ing increases in runoff through suppression of plant transpiration. Radiative forcing by high [CO2] has been the main consideration in models of global change to the exclusion of plant physiological forcing, but this potentially underestimates the effects on the hydrological cycle, and the consequences for ecosystems. We tested the physiological responses of fossil plants from the Triassic–Jurassic boundary transition (Tr–J) succession of East Greenland. This interval marks a major high CO2-driven environmental upheaval, with faunal mass extinc- tions and significant floral turnover. Our results show that both stomatal size (expressed in fossil material as SL, the length of the stomatal complex opening) and stomatal density (SD, the number of stomata per mm2) decreased significantly during the Tr–J. We estimate, using a leaf gas-exchange model, that the decreases in SD and SL resulted in a 50%–60% drop in stomatal and canopy transpiration at the Tr–J. We also present new field evidence indicating simultaneous increases in runoff and erosion rates. We propose that the consequences of sto- matal responses to elevated [CO2] may lead to locally increased runoff and erosion, and may link terrestrial and marine biodiversity loss via the hydrological cycle.
Bookmarks Related papers MentionsView impact
Bulletin of the Geological Society of Denmark
The new middle Danian Faxe Formation is defined on the basis of the succession exposed in the lar... more The new middle Danian Faxe Formation is defined on the basis of the succession exposed in the large Faxe quarry in eastern Denmark. The formation is defined as a distinct mappable lithostratigraphic unit of interfingering coral and bryozoan limestone passing laterally into bryozoan limestones of the Stevns Klint Formation. The Baunekule facies is recognized in the upper part of the coral mound complex of the Faxe Formation, where it forms isolated lensoidal bodies in the flanks of some of the coral mounds. It is characterised by a high diversity invertebrate fauna with both calcite and originally aragonite-shelled benthic invertebrates set in weakly consolidated coral-dominated floatstone to rudstone. The diagenesis of the Baunekule facies is of special significance because a high proportion of the originally aragonite-shelled fauna is preserved by recrystallization to calcite during early burial diagenesis. More than 80% of the species from the Baunekule facies are unknown from oth...
Bookmarks Related papers MentionsView impact
Thick successions of marine Middle Jurassic deposits rich in ammonites occur in the Jameson Land ... more Thick successions of marine Middle Jurassic deposits rich in ammonites occur in the Jameson Land Basin in central East Greenland. The so-called Cranocephalites beds of this basin, comprising the Indistinctus–Pompeckji Zones were until now largely represented by a single collection. This was made by T. Harris during a 1927 excursion up the valley of Ugleelv to Katedralen, the type area of Cranocephalites pompeckji, which is the oldest named species of this genus. Revisits to this area in 1994 and 1996 by JHC resulted in a large bed-by-bed collection of Cranocephalites. The number of faunal horizons that could be distinguished grew from the nine previously recognized to 34 today. The zonal stratigraphy of the Cranocephalites beds encompasses, the Borealis, Indistinctus and Pompeckji Zones. The Pompeckji Zone is subdivided into four new subzones, reflecting four successive basic morphologies of Cranocephalites that should be recognizable more widely and are thus useful for subzonal correlations. The detailed zonation, that serves as the secondary standard zonation for the Boreal Province in the Middle Jurassic is thus highly improved. The biostratigraphic resolution obtained here is near the achievable limits. It allows a high-resolution study of the evolution of the ammonites which on this time-scale appears to be continuous. New species are described: Cranocephalites carolae sp. nov., Cranocephalites intermissus sp. nov., Cranocephalites episcopalis sp. nov.
Bookmarks Related papers MentionsView impact
Bookmarks Related papers MentionsView impact
Bulletin of the Geological Society of Denmark
... 15). Methods Multi-model photogrammetry allows production of high quality lateral profiles fr... more ... 15). Methods Multi-model photogrammetry allows production of high quality lateral profiles from series of photo-graphs taken with small-frame hand held cameras (Dueholm 1992). ... Further details are presented in Dueholm (1992) and Dueholm et al. (1993). ...
Bookmarks Related papers MentionsView impact
Geological Survey of Denmark and Greenland
Bookmarks Related papers MentionsView impact
Bulletin of the Geological Society of Denmark
... 58 ° 57 ° 56 Stenlille Slagelse Næstved Skælskør Nyborg Ringe Faxe Egesborg Feddet Stevns Kli... more ... 58 ° 57 ° 56 Stenlille Slagelse Næstved Skælskør Nyborg Ringe Faxe Egesborg Feddet Stevns Klint Limhamn Præstø ... The upper part of the Chalk group shows the de-velopment of a marked seafloor relief at the end of the Cretaceous, particularly in the late maastrich-tian. ...
Bookmarks Related papers MentionsView impact
A new lithostratigraphic unit, the Bristol Elv Formation, is erected in this paper. It is only kn... more A new lithostratigraphic unit, the Bristol Elv Formation, is erected in this paper. It is only known from Traill Ø, East Greenland, where it unconformably overlies Triassic redbeds of the Fleming Fjord Formation and is overlain by lithologically similar shallow marine Upper Bajocian sand- stones of the Pelion Formation. The age of the formation is not well constrained but is
Bookmarks Related papers MentionsView impact
Lethaia, 1973
Bookmarks Related papers MentionsView impact
Palaeogeography, Palaeoclimatology, Palaeoecology, 1974
Bookmarks Related papers MentionsView impact
Sedimentology, 1977
ABSTRACT
Bookmarks Related papers MentionsView impact
Palaeogeography, Palaeoclimatology, Palaeoecology, 1990
... Fensome, RA, 1979. Dinoflagellate cysts and acritarchs from the Middle and Upper Jurassic ofJ... more ... Fensome, RA, 1979. Dinoflagellate cysts and acritarchs from the Middle and Upper Jurassic ofJameson Land, East Greenland. Bull. Gronl. ... S.tratigraphie der Jurabildungen OstgrSn-lands zwischen Hochstetterbugten (75 N.) und dem Kejser Franz Joseph Fjord (73 N.). Medd. ...
Bookmarks Related papers MentionsView impact
Bulletin of the Geological Society of Denmark, 1978
Bookmarks Related papers MentionsView impact
Nature, 1978
Bookmarks Related papers MentionsView impact
Nature, 1980
Bookmarks Related papers MentionsView impact
Lethaia, 1976
... conglomerates, turbidites and mudstones of the Lindemans Bugt and Palna-tokes Bjerg Formation... more ... conglomerates, turbidites and mudstones of the Lindemans Bugt and Palna-tokes Bjerg Formations (Middle Volgian-Valanginian; Surlyk 1975a, b; Surlyk & Clem-mensen 1975a, b). The pre-tectonic Jurassic sediments are all included in the Jameson Land Group (Surlyk ...
Bookmarks Related papers MentionsView impact
Geology, 1988
Bookmarks Related papers MentionsView impact
Geology, 1992
... REFERENCES CITED Dam, G., 1991, Wave-and storm-dominated lacustrine deltas; Kap Stewart Forma... more ... REFERENCES CITED Dam, G., 1991, Wave-and storm-dominated lacustrine deltas; Kap Stewart Forma-tion (Rhaetian-Sinemurian), Jameson Land, East Greenland [Ph.D. thesis]: Copenhagen, University of Copenhagen, pt. ...
Bookmarks Related papers MentionsView impact