Biskaborn, B. K. et al. Permafrost is warming at a global scale. Nat. Commun. 10, 264 (2019).
Google Scholar
Murton, J. B. What and where are periglacial landscapes? Permaf. Periglac. Process. 32, 186–212 (2021).
Google Scholar
Woodcroft, B. J. et al. Genome-centric view of carbon processing in thawing permafrost. Nature 560, 49–54 (2018).
Google Scholar
Reyes, F. & Lougheed, V. L. Rapid nutrient release from permafrost thaw in Arctic aquatic ecosystems. Arct. Antarct. Alp. Res. 47, 35–48 (2015).
Google Scholar
Fouché, J., Christiansen, C. T., Lafrenière, M. J., Grogan, P. & Lamoureux, S. F. Canadian permafrost stores large pools of ammonium and optically distinct dissolved organic matter. Nat. Commun. 11, 4500 (2020).
Google Scholar
Alley, N. F., Hore, S. B. & Frakes, L. A. Glaciations at high-latitude Southern Australia during the Early Cretaceous. Aust. J. Earth Sci. 67, 1045–1095 (2020).
Google Scholar
Hore, S. B., Hill, S. M. & Alley, N. F. Early Cretaceous glacial environment and paleosurface evolution within the Mount Painter Inlier, northern Flinders Ranges, South Australia. Aust. J. Earth Sci. 67, 1117–1160 (2020).
Google Scholar
Rodríguez-López, J. P. et al. Glacial dropstones in the western Tethys during the late Aptian–early Albian cold snap: Palaeoclimate and palaeogeographic implications for the mid-Cretaceous. Palaeogeogr. Palaeoclimatol. Palaeoecol. 452, 11–27 (2016).
Google Scholar
Schneider, S. et al. Macrofauna and biostratigraphy of the Rollrock Section, northern Ellesmere Island, Canadian Arctic Islands e a comprehensive high latitude archive of the Jurassic–Cretaceous transition. Cret. Res. 114, 104508 (2020).
Google Scholar
Jeans, C. V. & Platten, I. M. The erratic rocks of the Upper Cretaceous Chalk of England: how did they get there, ice transport or other means? Acta Geol. Pol. 71, 287–304 (2021).
Wu, C. & Rodríguez-López, J. P. Cryospheric processes in Quaternary and Cretaceous hyper-arid oases. Sedimentology 68, 755–770 (2021).
Google Scholar
Grasby, S. E., McCune, G. E., Beauchamp, B. & Galloway, J. M. Lower Cretaceous cold snaps led to widespread glendonite occurrences in the Sverdrup Basin, Canadian High Arctic. GSA Bull. 129, 771–787 (2017).
Google Scholar
Galloway, J. M. et al. Finding the VOICE: organic carbon isotope chemostratigraphy of the Late Jurassic–Early Cretaceous of Arctic Canada. Geol. Mag. 1–15 https://doi.org/10.1017/S0016756819001316 (2019).
Rogov, M. et al. Database of global glendonite and ikaite records throughout the Phanerozoic. Earth Syst. Sci. Data 13, 343–356 (2021).
Google Scholar
Price, G. D. The evidence and implications of polar ice during the Mesozoic. Earth–Sci. Rev. 48, 183–210 (1999).
Google Scholar
Savidge, R. A. Evidence of early glaciation of southeastern Beringia. Can. J. Earth Sci. 57, 199–226 (2020).
Google Scholar
Wang, Y. et al. Relict sand wedges suggest a high altitude and cold temperature during the Early Cretaceous in the Ordos Basin, North China. Int. Geol. Rev. https://doi.org/10.1080/00206814.2022.2081938 (2022).
Nelson, D. A., Cottle, J. M., Bindeman, I. N. & Camacho, A. Ultra-depleted hydrogen isotopes in hydrated glass record Late Cretaceous glaciation in Antarctica. Nat. Commun. 13, 5209 (2022).
Google Scholar
Yang, W.-B. et al. Isotopic evidence for continental ice sheet in mid-latitude region in the supergreenhouse Early Cretaceous. Sci. Rep. 3, 2732 (2013).
Google Scholar
Gao, T. et al. Accelerating permafrost collapse on the eastern Tibetan Plateau. Environ. Res. Lett. 16, 054023 (2021).
Google Scholar
Huang, Y. B. The origin and evolution of the desert in southern Ordos in early Cretaceous: Constraint from Magnetostratigraphy of Zhidan Group and magnetic susceptibility of its sediment. Doctoral Dissertation. Lanzhou University (2010).
Ma, J. Sedimentary Basin Analysis of the Cretaceous Ancient Desert in the Ordos Basin. Master’s thesis, China University of Geosciences (2020).
Wu, C. H., Rodríguez-López, J. P. & Santosh, M. Plateau archives of lithosphere dynamics, cryosphere and paleoclimate: the formation of Cretaceous desert basins in east Asia. Geosci. Front. 13, 101454 (2022).
Google Scholar
Zhu, R. X., Chen, L., Wu, F. Y. & Liu, J. L. Timing, scale and mechanism of the destruction of the North China Craton. Sci. China Earth Sci. 54, 789–797 (2011).
Google Scholar
Rodríguez-López, J. P., Clemmensen, L. B., Lancaster, N., Mountney, N. P. & Veiga, G. D. Archean to Recent aeolian sand systems and their preserved successions: current understanding and way forward. Sedimentology 61, 1487–1534 (2014).
Google Scholar
Murton, J. B. in Encyclopedia of Quaternary Science Vol. 3 (eds Elias, S. A. & Mock, C. J.) 436–451 (Elsevier, Amsterdam, 2013).
Rodríguez-López, J. P., Van Vliet-Lanöe, B., López-Martínez, J. & Martín-García, R. Scouring by rafted ice and cryogenic pattern ground preserved in a Palaeoproterozoic equatorial proglacial lagoon succession, eastern India, Nuna supercontinent. Mar. Pet. Geol. 123, 104766 (2021).
Google Scholar
Murton, J. B., Worsley, P. & Gozdzik, J. Sand veins and wedges in cold aeolian environments. Quat. Sci. Rev. 19, 899–922 (2000).
Google Scholar
Kovács, J., Fábián, S. A., Schweitzer, F. & Varga, G. A relict sand-wedge polygon site in north-central Hungary. Permafr. Periglac. Process. 18, 379–384 (2007).
Google Scholar
Fábián, S. Á. et al. Distribution of relict permafrost features in the Pannonian Basin, Hungary. Boreas 43, 722–732 (2014).
Google Scholar
Williams, G. E. Proterozoic (pre-Ediacaran) glaciation and the high obliquity, low-latitude ice, strong seasonality (HOLIST) hypothesis: principles and tests. Earth–Sci. Rev. 87, 61–93 (2008).
Google Scholar
Williams, G. E., Schmidt, P. W. & Young, G. M. Strongly seasonal Proterozoic glacial climate in low palaeolatitudes: radically different climate system on the pre-Ediacaran Earth. Geosci. Front. 7, 555–571 (2016).
Google Scholar
Van Vliet-Lanoë, B. Deformations in the active layer related with ice/soil wedge growth and decay in present day Arctic. Paleoclimate implications. Ann. Soc. Géol. Nord. 13, 81–95 (2005).
Remillard, A. M. et al. Chronology and palaeoenvironmental implications of the ice-wedge pseudomorphs and composite wedge casts on the Magdalen Islands (eastern Canada). Boreas 44, 658–675 (2015).
Google Scholar
Murton, J. B. Thermokarst sediments and sedimentary structures, Tuktoyaktuk Coastlands, western Arctic Canada. Glob. Planet. Change 28, 175–192 (2001).
Google Scholar
Harris, C., Murton, J. B. & Davies, M. C. R. An analysis of mechanisms of ice-wedge casting based on geotechnical centrifuge modelling. Geomorphology 71, 328–343 (2005).
Google Scholar
Houmark-Nielsen, M. et al. Early and Middle Valdaian glaciations, ice-dammed lakes and periglacial interstadials in northwest Russia: new evidence from the Pyoza River area. Glob. Planet. Change 31, 215–237 (2001).
Google Scholar
Murton, J. B. & Kolstrup, E. Ice-wedge casts as indicators of palaeotemperatures: precise proxy or wishful thinking? Prog. Phys. Geogr. 27, 155–170 (2003).
Google Scholar
Harry, D. G. & Gozdzik, J. S. Ice wedges: growth, thaw transformation, and palaeoenvironmental significance. J. Quat. Sci. 3, 39–55 (1988).
Google Scholar
Wolfe, S. A., Morse, P. D., Neudorf, C. M., Kokelj, S. V., Lian, O. B. & O’Neill, H. B. Contemporary sand wedge development in seasonally frozen ground and paleoenvironmental implications. Geomorphology 308, 215–229 (2018).
Google Scholar
Murton, J. B. & Bateman, M. D. Syngenetic sand veins and anti-syngenetic sand wedges, Tuktoyaktuk Coastlands, western Arctic Canada. Permafr. Periglac. Process. 18, 33–47 (2007).
Google Scholar
Obu, J., Westermann, S., Kääb, A., & Bartsch, A. Ground Temperature Map, 2000–2016, Northern Hemisphere Permafrost (Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Bremerhaven, PANGAEA, 2018)
Obu, J. et al. Northern Hemisphere permafrost map based on TTOP modelling for 2000–2016 at 1 km2 scale. Earth–Sci. Rev. 193, 299–316 (2019).
Google Scholar
Hock, R. et al. in IPCC Special Report on the Ocean and Cryosphere in a Changing Climate (eds Pörtner, H.-O. et al.) 131–202 (Cambridge University Press, Cambridge, UK and New York, NY, USA, 2019).
Mackay, J. R. The origin of hummocks, western arctic coast, Canada. Can. J. Earth Sci. 17, 996–1006 (1980).
Google Scholar
Kokelj, S. V., Burn, C. R. & Tarnocai, C. The structure and dynamics of earth hummocks in the subarctic forest near Inuvik, Northwest Territories, Canada. Arct. Antarct. Alp. Res. 39, 99–109 (2007).
Google Scholar
Rodríguez-López, J. P., Meléndez, N., de Boer, P. L., Soria, A. R. & Liesa, C. L. Spatial variability of multicontrolled aeolian supersurfaces in central-erg and marine erg-margin systems. Aeolian Res. 11, 141–154 (2013).
Google Scholar
Lunt, D. J. et al. Palaeogeographic controls on climate and proxy interpretation. Clim. Past 12, 1181–1198 (2016).
Google Scholar
Cheng, G., Bai, Y. & Sun, Y. Paleomagnetic study on the tectonic evolution of the Ordos Block, North China. Seismol. Geol. 10, 81–87 (1988).
Zheng, Z. et al. The apparent polar wander path for the North China Block since the Jurassic. Geophys. J. Int. 104, 29–40 (1991).
Google Scholar
Malinverno, A., Hildebrandt, J., Tominaga, M. & Channell, J. E. T. M-sequence geomagnetic polarity time scale (MHTC12) that steadies global spreading rates and incorporates astrochronology constraints. J. Geophys. Res. 117, B06104 (2012).
Google Scholar
Zachos, J. C., Shackleton, N. J., Revenaugh, J. S., Pälike, H. & Flower, B. P. Climate response to orbital forcing across the Oligocene–Miocene boundary. Science 292, 274–278 (2001).
Google Scholar
Li, M. et al. Astronomical tuning of the end-Permian extinction and the Early Triassic Epoch of South China and Germany. Earth Planet. Sci. Lett. 441, 10–25 (2016).
Google Scholar
Westall, F. The nature of fossil bacteria: a guide to the search for extraterrestial live. J. Geophys. Res. 104, 437–16,451 (1999).
Yang, H., Chen, Z.-Q. & Papineau, D. Cyanobacterial spheroids and other biosignatures from microdigitate stromatolites of Mesoproterozoic Wumishan Formation in Jixian, North China. Precambrian Res. 368, 106496 (2022).
Google Scholar
Kremer, B., Kazmierczak, J., Łukomska-Kowalczyk, M. & Kempe, S. Calcification and silicification: fossilization potential of cyanobacteria from stromatolites of Niuafo’ou’s caldera lakes (Tonga) and implications for the early fossil record. Astrobiology 12, 535–548 (2012).
Google Scholar
Astafieva M. M. et al. Fossil Bacteria and Other Microorganisms in Terrestrial Rocks and Astromaterials (Paleontological Institute Russian Academy of Science, Moscow, 2011).
Rozanov, A. Y. & Zavarzin, G. A. Bacterial paleontology. Vestn. Akad. Med. Nauk 67, 241–245 (1997).
Perez-Mon, C., Stierli, B., Plötze, M. & Frey, B. Fast and persistent responses of alpine permafrost microbial communities to in situ warming. Sci. Total Environ. 807, 150–720 (2022).
Google Scholar
Rivkina, E. et al. Earth’s perennially frozen environments as a model of cryogenic planet ecosystems. Permafr. Periglac. Process. 29, 246–256 (2018).
Google Scholar
Vishnivetskaya, T. A. et al. Insights into community of photosynthetic microorganisms from permafrost. FEMS Microbiol. Ecol. 96, fiaa229 (2020).
Google Scholar
Hultman, J. et al. Multi-omics of permafrost, active layer and thermokarst bog soil microbiomes. Nature 521, 208–212 (2015).
Google Scholar
Choe, Y. H. et al. Comparing rock-inhabiting microbial communities in different rock types from a high arctic polar desert. FEMS Microbiol. Ecol. 94, fiy070 (2018).
Google Scholar
Wu, X. et al. Comparative metagenomics of the active layer and permafrost from low-carbon soil in the Canadian High Arctic. Environ. Sci. Technol. 55, 12683–12693 (2021).
Google Scholar
Vickers, M. L. et al. The duration and magnitude of Cretaceous cold events: evidence from the northern high latitudes. Geol. Soc. Am. Bull. 131, 1979–1994 (2019).
Google Scholar
Lehmann, J. in Ammonoid Palaeobiology: From Macroevolution to Palaeogeography (eds Klug, C. De Baets, K., Kruta I. & Mapes, R. H.) 403–429 (Springer, Amsterdam, 2015).
Keller, M. A. & Macquaker, J. H. S. in Studies by the U.S. Geological Survey in Alaska: US Geological Survey Professional Paper 1814-B Vol. 15 (ed Dumoulin, J. A.) 1–35 (US Geological Survey, US Department of The Interior, Reston, 2015).
Cavalheiro, L. et al. Impact of global cooling on Early Cretaceous high pCO2 world during the Weissert Event. Nat. Commun. 12, 5411 (2021).
Google Scholar
McArthur, J. M. et al. Palaeotemperatures, polar ice-volume, and isotope stratigraphy (Mg/Ca, d18O, d13C, 87Sr/86Sr): the Early Cretaceous (Berriasian, Valanginian, Hauterivian). Palaeogeogr. Palaeoclimatol. Palaeoecol. 248, 391–430 (2007).
Google Scholar
Lini, A., Weissert, H. & Erba, E. The Valanginian carbon isotope event: a first episode of greenhouse climate conditions during the Cretaceous. Terra Nova 4, 374–384 (1992).
Google Scholar
Li, X. et al. Carbon isotope signatures of pedogenic carbonates from SE China: rapid atmospheric pCO2 changes during middle–late Early Cretaceous time. Geol. Mag. 151, 830–849 (2014).
Google Scholar
O’Brien, Ch. L. et al. Cretaceous sea-surface temperature evolution: constraints from TEX86 and planktonic foraminiferal oxygen isotopes. Earth–Sci. Rev. 172, 224–247 (2017).
Google Scholar
Price, G. D. et al. A high-resolution Belemnite geochemical analysis of early Cretaceous (Valanginian–Hauterivian) environmental and climatic perturbations. Geochem. Geophys. Geosyst. 19, 3832–3843 (2018).
Google Scholar
Turetsky, M. R. et al. Carbon release through abrupt permafrost thaw. Nat. Geosci. 13, 138–143 (2020).
Google Scholar
Van der Kolk, D. A., Whalen, M. T., Wartes, M. A., Newberry, R. J. & McCarthy, P. in Arctic to the Cordillera: Unlocking the Potential. American Association of Petroleum Geologists Pacific Section Meeting, May 8–11, Anchorage, AK, USA, Search and Discovery Article 90125 (American Association of Petroleum Geologists, 2011).
Walter Anthony, K. M. et al. 21st-century modeled permafrost carbon emissions accelerated by abrupt thaw beneath lakes. Nat. Commun. 9, 3262 (2018).
Google Scholar
Cheng, F. et al. Alpine permafrost could account for a quarter of thawed carbon based on Plio-Pleistocene palaeoclimate analogue. Nat. Commun. 13, 1329 (2022).
Google Scholar
Brouillette, M. How microbes in permafrost could trigger a massive carbon bomb. Nature 591, 360–362 (2021).
Google Scholar
Murton, J. B. in Climate Change, Observed Impacts on Planet Earth, 3rd edn (ed Letcher, T.) 281–326 (Elsevier, Amsterdam, 2021).
Schnyder, J., Ruffell, A., Deconinck, J. F. & Baudin, F. Conjunctive use of spectral gamma-ray logs and clay mineralogy in defining late Jurassic–early Cretaceous palaeoclimate change (Dorset, UK). Palaeogeogr. Palaeoclimatol. Palaeoecol. 229, 303–320 (2006).
Google Scholar
Li, M. et al. Astrochronology of the Anisian stage (Middle Triassic) at the guandao reference section, south china. Earth Planet. Sci. Lett. 482, 591–606 (2018).
Google Scholar
Li, M. et al. Palaeoclimate proxies for cyclostratigraphy: comparative analysis using a Lower Triassic marine section in South China. Earth–Sci. Rev. 189, 125–146 (2019).
Google Scholar
Li, M., Hinnov, L. & Kump, L. Acycle: time–series analysis software for palaeoclimate research and education. Comput. Geosci. 127, 12–22 (2019).
Google Scholar
Laskar, J. et al. A long–term numerical solution for the insolation quantities of the Earth. Astron. Astrophys. 428, 261–285 (2004).
Google Scholar
