2016
DOI: 10.3189/2016aog71a016
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Ice processes and surface ablation in a shallow thermokarst lake in the central Qinghai–Tibetan Plateau

Abstract: ABSTRACT. The Qinghai-Tibetan Plateau (QTP) is characterized by a cold climate and a large number of lakes. The long ice season necessitates study of the widespread ice covers in the region. An unprecedented multidisciplinary field campaign was conducted on lake ice processes in the central QTP during the period 2019-13. The study lake generally froze up in late October or early November, and broke up in mid or late April, with a maximum ice thickness of 50-70 cm. The mass balances at both ice surface and bott… Show more

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Cited by 14 publications
(18 citation statements)
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“…We calculated half-hourly fluxes of H and LE based on the block-averaged covariances between the respective scalar s and the vertical wind velocity w using the software package EddyPro® (Version 6.1) [Computer software] (2015) (LI-COR, Nebraska, USA; Text S1 for details on the EC processing; (Charuchittipan et al, 2014;Eugster et al, 2003;Foken, 2008;Fratini et al, 2012;Horst & Lenschow, 2009;Kaimal & Gaynor, 1991;Mammarella et al, 2009Mammarella et al, , 2016Moncrieff et al, 2004;Nordbo et al, 2014;Peltola et al, 2014;Ross & Grant, 2015;Siebicke et al, 2012;van Dijk et al, 2004;Vickers & Mahrt, 1997;Wilczak et al, 2001)). Quality control and filtering resulted in a final data coverage of 91% and 82% for H and LE, respectively.…”
Section: Heat Flux Computationmentioning
confidence: 99%
“…We calculated half-hourly fluxes of H and LE based on the block-averaged covariances between the respective scalar s and the vertical wind velocity w using the software package EddyPro® (Version 6.1) [Computer software] (2015) (LI-COR, Nebraska, USA; Text S1 for details on the EC processing; (Charuchittipan et al, 2014;Eugster et al, 2003;Foken, 2008;Fratini et al, 2012;Horst & Lenschow, 2009;Kaimal & Gaynor, 1991;Mammarella et al, 2009Mammarella et al, , 2016Moncrieff et al, 2004;Nordbo et al, 2014;Peltola et al, 2014;Ross & Grant, 2015;Siebicke et al, 2012;van Dijk et al, 2004;Vickers & Mahrt, 1997;Wilczak et al, 2001)). Quality control and filtering resulted in a final data coverage of 91% and 82% for H and LE, respectively.…”
Section: Heat Flux Computationmentioning
confidence: 99%
“…However, little attention has been paid to the ice albedo of TP lakes. Only a few studies have analyzed the changes in the freezing date of Nam Co Lake [35], as well as lake ice structure [36], thermal conductivity [37] and ice melting [38] in a small TP thermokarst lake. Although the observation of lake ice albedo is quite scarce in the TP, the MODIS albedo products, which have a relatively small error, can help us to obtain an in-depth understanding of the ice albedo characteristics of a large lake.…”
Section: Introductionmentioning
confidence: 99%
“…The maximum depth is 2.5 m. The water is brackish and has a total dissolved solid content of 1.30 g L −1 . The lake has been investigated using in situ instrumentation and numerical modeling with respect to lake ice physics (Huang et al, 2012(Huang et al, , 2016, hydrothermal regime (Lin et al, 2011), bank retrogression (Niu et al, 2011), and heat intrusion from the lake water to the surrounding permafrost (Lin et al, 2017). Considering physical properties of lake ice, a large number of gas bubbles have been found from the top layer of the ice cover.…”
Section: Site Descriptionmentioning
confidence: 99%
“…Hence, the evolution of ice thickness (H = H b − H s ) was detected. For detailed information on instrumentation, see Huang et al (2016).…”
Section: Field Observationsmentioning
confidence: 99%
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