2018
DOI: 10.5194/cp-14-559-2018
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Recent climate variations in Chile: constraints from borehole temperature profiles

Abstract: Abstract. We have compiled, collected, and analyzed 31 temperature–depth profiles from boreholes in the Atacama Desert in central and northern Chile. After screening these profiles, we found that only nine profiles at four different sites were suitable to invert for ground temperature history. For all the sites, no surface temperature variations could be resolved for the period 1500–1800. In the northern coastal region of Chile, there is no perceptible temperature variation at all from 1500 to present. In the … Show more

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Cited by 18 publications
(22 citation statements)
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“…That is, it is an attempt to reconstruct the temporal evolution of the upper boundary condition. Ground surface temperature histories (GSTHs) and ground heat flux histories (GHFHs) have been reconstructed from borehole temperature profile (BTP) measurements at regional and larger scales for decadal and millennial timescales (Barkaoui et al, 2013;Beck, 1977;Beltrami, 2001;Beltrami et al, 2006;Beltrami and Bourlon, 2004;Cermak, 1971;Chouinard and Mareschal, 2009;Davis et al, 2010;Demezhko and Gornostaeva, 2015;Harris and Chapman, 2001;Hartmann and Rath, 2005;Hopcroft et al, 2007;Huang et al, 2000;Jaume-Santero et al, 2016;Lachenbruch and Marshall, 1986;Lane, 1923;Pickler et al, 2018;Roy et al, 2002;Vasseur et al, 1983). These reconstructions have provided independent records for the evaluation of the evolution of the climate system well before the existence of meteorological records.…”
Section: Borehole Climatologymentioning
confidence: 99%
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“…That is, it is an attempt to reconstruct the temporal evolution of the upper boundary condition. Ground surface temperature histories (GSTHs) and ground heat flux histories (GHFHs) have been reconstructed from borehole temperature profile (BTP) measurements at regional and larger scales for decadal and millennial timescales (Barkaoui et al, 2013;Beck, 1977;Beltrami, 2001;Beltrami et al, 2006;Beltrami and Bourlon, 2004;Cermak, 1971;Chouinard and Mareschal, 2009;Davis et al, 2010;Demezhko and Gornostaeva, 2015;Harris and Chapman, 2001;Hartmann and Rath, 2005;Hopcroft et al, 2007;Huang et al, 2000;Jaume-Santero et al, 2016;Lachenbruch and Marshall, 1986;Lane, 1923;Pickler et al, 2018;Roy et al, 2002;Vasseur et al, 1983). These reconstructions have provided independent records for the evaluation of the evolution of the climate system well before the existence of meteorological records.…”
Section: Borehole Climatologymentioning
confidence: 99%
“…Additionally, borehole data are sparse, since the logs were usually recorded from holes of opportunity at mining exploration sites. As a result, the majority of profiles were measured in the Northern Hemisphere, although recent efforts have been taken to increase the sampling rate in South America (Pickler et al, 2018) and Australia (Suman et al, 2017). Despite this uneven sampling, the spatial distribution of borehole profiles has been able to represent the evolution of land surface conditions at global scales (Beltrami and Bourlon, 2004;Cuesta-Valero et al, 2020;Pollack and Smerdon, 2004).…”
Section: Borehole Climatologymentioning
confidence: 99%
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“…Ground Surface Temperature Histories (GSTHs) and Ground Heat Flux Histories (GHFHs) have been reconstructed from borehole temperature profile (BTP) measurements at regional and larger scales for decadal and millennial time-scales. ( Barkaoui et al, 2013;Beck, 1977;Beltrami, 2001;Beltrami et al, 2006;Beltrami and Bourlon, 2004;Cermak, 1971;Chouinard and Mareschal, 2009;Davis et al, 2010;Demezhko and Gornostaeva, 2015;Harris and Chapman, 2001;Hartmann and Rath, 2005;Hopcroft et al, 2007;Huang et al, 2000;Jaume-Santero et al, 2016;Lachenbruch and Marshall, 1986;LANE, 1923;Pickler et al, 2018; https://doi.org/10.5194/essd-2019-255 Roy et al, 2002;Vasseur et al, 1983). These reconstructions have provided independent records for the evaluation of the evolution of the climate system well before the existence of meteorological records.…”
Section: Borehole Climatologymentioning
confidence: 99%