Climatic implications of hydrologic changes in two lake catchments on the central Tibetan Plateau since the last glacial
The numerous and widespread lakes of the Tibetan Plateau (TP) constitute the largest group of alpine lakes on Earth. Some of the lakes are fed mainly by glacier meltwater and others by precipitation and groundwater. Past changes in the environments of these lakes differed because of differences in l...
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| Veröffentlicht in: | Journal of paleolimnology 2017-08, Vol.58 (2), p.257-273 |
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| description | The numerous and widespread lakes of the Tibetan Plateau (TP) constitute the largest group of alpine lakes on Earth. Some of the lakes are fed mainly by glacier meltwater and others by precipitation and groundwater. Past changes in the environments of these lakes differed because of differences in lake hydrological regimes and the complex pattern of climate change on the TP. Here we present records of scanning XRF, inorganic carbon (IC) concentration
n
-alkanoic acid average chain length (ACL) and percent aquatic inputs (Paq) in sediment cores from two non-glaciated lakes on the central TP (Dagze Co and Jiang Co), which span the past 19,000 years. We used these measures to investigate past changes in catchment hydrology, climate and environment. Variations in the concentration of Ti and other lithogenic elements at the two sites were influenced mainly by surface runoff, which is supported by the variation of IC, Ca/(Al, Ti, Fe) (reflecting authigenic carbonate precipitation), Rb/Sr (a chemical weathering proxy), and ACL and Paq. We attribute variations in surface runoff to changes in the precipitation/evaporation ratio, caused by the pattern of climate change on the central TP since the late Pleistocene. During the late Pleistocene, stronger runoff (indicated by higher Ti, higher Rb/Sr and Paq, lower IC, Ca/(Al, Ti, Fe) and ACL) likely resulted from lower temperatures. Lower runoff during the Holocene may reflect intensified evaporation caused by higher temperatures. Comparison with records from glaciated lakes in the region reveals opposite trends in catchment hydrology. Overall, our results suggest that since the late Pleistocene the central TP was influenced mainly by the Indian Summer Monsoon. |
| doi_str_mv | 10.1007/s10933-017-9976-9 |
| format | Article |
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n
-alkanoic acid average chain length (ACL) and percent aquatic inputs (Paq) in sediment cores from two non-glaciated lakes on the central TP (Dagze Co and Jiang Co), which span the past 19,000 years. We used these measures to investigate past changes in catchment hydrology, climate and environment. Variations in the concentration of Ti and other lithogenic elements at the two sites were influenced mainly by surface runoff, which is supported by the variation of IC, Ca/(Al, Ti, Fe) (reflecting authigenic carbonate precipitation), Rb/Sr (a chemical weathering proxy), and ACL and Paq. We attribute variations in surface runoff to changes in the precipitation/evaporation ratio, caused by the pattern of climate change on the central TP since the late Pleistocene. During the late Pleistocene, stronger runoff (indicated by higher Ti, higher Rb/Sr and Paq, lower IC, Ca/(Al, Ti, Fe) and ACL) likely resulted from lower temperatures. Lower runoff during the Holocene may reflect intensified evaporation caused by higher temperatures. Comparison with records from glaciated lakes in the region reveals opposite trends in catchment hydrology. Overall, our results suggest that since the late Pleistocene the central TP was influenced mainly by the Indian Summer Monsoon.</description><identifier>ISSN: 0921-2728</identifier><identifier>EISSN: 1573-0417</identifier><identifier>DOI: 10.1007/s10933-017-9976-9</identifier><language>eng</language><publisher>Dordrecht: Springer Netherlands</publisher><subject>Aluminum ; Calcium ; Carbonates ; Catchment area ; Catchments ; Chains ; Climate ; Climate Change ; Earth and Environmental Science ; Earth Sciences ; Environmental changes ; Evaporation ; Freshwater & Marine Ecology ; Geology ; Glaciers ; Glaciohydrology ; Groundwater ; High temperature ; Holocene ; Hydrologic regime ; Hydrology ; Inorganic carbon ; Iron ; Lake catchments ; Lakes ; Low temperature ; Meltwater ; Mountain lakes ; Original Paper ; Paleontology ; Physical Geography ; Pleistocene ; Precipitation ; Records ; Runoff ; Sediment ; Sedimentology ; Strontium ; Summer ; Surface runoff ; Titanium ; Weathering</subject><ispartof>Journal of paleolimnology, 2017-08, Vol.58 (2), p.257-273</ispartof><rights>Springer Science+Business Media Dordrecht 2017</rights><rights>Journal of Paleolimnology is a copyright of Springer, 2017.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-a339t-d962971b032c1e8c20b339c8eb066b8594f4a922cedc80b67aa45c1bdab90be33</citedby><cites>FETCH-LOGICAL-a339t-d962971b032c1e8c20b339c8eb066b8594f4a922cedc80b67aa45c1bdab90be33</cites><orcidid>0000-0002-8512-5739</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/s10933-017-9976-9$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s10933-017-9976-9$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,780,784,27924,27925,41488,42557,51319</link.rule.ids></links><search><creatorcontrib>Hou, Juzhi</creatorcontrib><creatorcontrib>Tian, Qian</creatorcontrib><creatorcontrib>Liang, Jie</creatorcontrib><creatorcontrib>Wang, Mingda</creatorcontrib><creatorcontrib>He, Yue</creatorcontrib><title>Climatic implications of hydrologic changes in two lake catchments on the central Tibetan Plateau since the last glacial</title><title>Journal of paleolimnology</title><addtitle>J Paleolimnol</addtitle><description>The numerous and widespread lakes of the Tibetan Plateau (TP) constitute the largest group of alpine lakes on Earth. Some of the lakes are fed mainly by glacier meltwater and others by precipitation and groundwater. Past changes in the environments of these lakes differed because of differences in lake hydrological regimes and the complex pattern of climate change on the TP. Here we present records of scanning XRF, inorganic carbon (IC) concentration
n
-alkanoic acid average chain length (ACL) and percent aquatic inputs (Paq) in sediment cores from two non-glaciated lakes on the central TP (Dagze Co and Jiang Co), which span the past 19,000 years. We used these measures to investigate past changes in catchment hydrology, climate and environment. Variations in the concentration of Ti and other lithogenic elements at the two sites were influenced mainly by surface runoff, which is supported by the variation of IC, Ca/(Al, Ti, Fe) (reflecting authigenic carbonate precipitation), Rb/Sr (a chemical weathering proxy), and ACL and Paq. We attribute variations in surface runoff to changes in the precipitation/evaporation ratio, caused by the pattern of climate change on the central TP since the late Pleistocene. During the late Pleistocene, stronger runoff (indicated by higher Ti, higher Rb/Sr and Paq, lower IC, Ca/(Al, Ti, Fe) and ACL) likely resulted from lower temperatures. Lower runoff during the Holocene may reflect intensified evaporation caused by higher temperatures. Comparison with records from glaciated lakes in the region reveals opposite trends in catchment hydrology. Overall, our results suggest that since the late Pleistocene the central TP was influenced mainly by the Indian Summer Monsoon.</description><subject>Aluminum</subject><subject>Calcium</subject><subject>Carbonates</subject><subject>Catchment area</subject><subject>Catchments</subject><subject>Chains</subject><subject>Climate</subject><subject>Climate Change</subject><subject>Earth and Environmental Science</subject><subject>Earth Sciences</subject><subject>Environmental changes</subject><subject>Evaporation</subject><subject>Freshwater & Marine Ecology</subject><subject>Geology</subject><subject>Glaciers</subject><subject>Glaciohydrology</subject><subject>Groundwater</subject><subject>High temperature</subject><subject>Holocene</subject><subject>Hydrologic regime</subject><subject>Hydrology</subject><subject>Inorganic carbon</subject><subject>Iron</subject><subject>Lake catchments</subject><subject>Lakes</subject><subject>Low temperature</subject><subject>Meltwater</subject><subject>Mountain lakes</subject><subject>Original Paper</subject><subject>Paleontology</subject><subject>Physical Geography</subject><subject>Pleistocene</subject><subject>Precipitation</subject><subject>Records</subject><subject>Runoff</subject><subject>Sediment</subject><subject>Sedimentology</subject><subject>Strontium</subject><subject>Summer</subject><subject>Surface runoff</subject><subject>Titanium</subject><subject>Weathering</subject><issn>0921-2728</issn><issn>1573-0417</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2017</creationdate><recordtype>article</recordtype><sourceid>AFKRA</sourceid><sourceid>AZQEC</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><sourceid>GNUQQ</sourceid><recordid>eNp1kD1PwzAURS0EEqXwA9gsMQf8kcTxiCq-pEowlNl6dpzGxU2K7Qr497iEgYXJ9vW570kHoUtKrikh4iZSIjkvCBWFlKIu5BGa0UrkpKTiGM2IZLRggjWn6CzGDSFENqKaoc-Fd1tIzmC33Xln8nUcIh473H-1YfTjOn-ZHoa1jdgNOH2M2MObxZk0_dYOKcM57nOSHwE8XjltEwz4xUOysMfRDcb-EB5iwmsPxoE_Rycd-Ggvfs85er2_Wy0ei-Xzw9PidlkA5zIVrayZFFQTzgy1jWFE59w0VpO61k0ly64EyZixrWmIrgVAWRmqW9CSaMv5HF1Nc3dhfN_bmNRm3Ichr1RU0lIIypsDRSfKhDHGYDu1C9lL-FKUqINgNQlWWbA6CFYyd9jUiZnNfsKfyf-WvgFQcX-x</recordid><startdate>20170801</startdate><enddate>20170801</enddate><creator>Hou, Juzhi</creator><creator>Tian, Qian</creator><creator>Liang, Jie</creator><creator>Wang, Mingda</creator><creator>He, Yue</creator><general>Springer Netherlands</general><general>Springer Nature B.V</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7QH</scope><scope>7QL</scope><scope>7SN</scope><scope>7T7</scope><scope>7U9</scope><scope>7UA</scope><scope>8FD</scope><scope>8FE</scope><scope>8FH</scope><scope>AFKRA</scope><scope>AZQEC</scope><scope>BBNVY</scope><scope>BENPR</scope><scope>BHPHI</scope><scope>BKSAR</scope><scope>C1K</scope><scope>CCPQU</scope><scope>DWQXO</scope><scope>F1W</scope><scope>FR3</scope><scope>GNUQQ</scope><scope>H94</scope><scope>H95</scope><scope>H96</scope><scope>HCIFZ</scope><scope>L.G</scope><scope>LK8</scope><scope>M7N</scope><scope>M7P</scope><scope>P64</scope><scope>PCBAR</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><orcidid>https://orcid.org/0000-0002-8512-5739</orcidid></search><sort><creationdate>20170801</creationdate><title>Climatic implications of hydrologic changes in two lake catchments on the central Tibetan Plateau since the last glacial</title><author>Hou, Juzhi ; Tian, Qian ; Liang, Jie ; Wang, Mingda ; He, Yue</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-a339t-d962971b032c1e8c20b339c8eb066b8594f4a922cedc80b67aa45c1bdab90be33</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2017</creationdate><topic>Aluminum</topic><topic>Calcium</topic><topic>Carbonates</topic><topic>Catchment area</topic><topic>Catchments</topic><topic>Chains</topic><topic>Climate</topic><topic>Climate Change</topic><topic>Earth and Environmental Science</topic><topic>Earth Sciences</topic><topic>Environmental changes</topic><topic>Evaporation</topic><topic>Freshwater & Marine Ecology</topic><topic>Geology</topic><topic>Glaciers</topic><topic>Glaciohydrology</topic><topic>Groundwater</topic><topic>High temperature</topic><topic>Holocene</topic><topic>Hydrologic regime</topic><topic>Hydrology</topic><topic>Inorganic carbon</topic><topic>Iron</topic><topic>Lake catchments</topic><topic>Lakes</topic><topic>Low temperature</topic><topic>Meltwater</topic><topic>Mountain lakes</topic><topic>Original Paper</topic><topic>Paleontology</topic><topic>Physical Geography</topic><topic>Pleistocene</topic><topic>Precipitation</topic><topic>Records</topic><topic>Runoff</topic><topic>Sediment</topic><topic>Sedimentology</topic><topic>Strontium</topic><topic>Summer</topic><topic>Surface runoff</topic><topic>Titanium</topic><topic>Weathering</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Hou, Juzhi</creatorcontrib><creatorcontrib>Tian, Qian</creatorcontrib><creatorcontrib>Liang, Jie</creatorcontrib><creatorcontrib>Wang, Mingda</creatorcontrib><creatorcontrib>He, Yue</creatorcontrib><collection>CrossRef</collection><collection>Aqualine</collection><collection>Bacteriology Abstracts (Microbiology B)</collection><collection>Ecology Abstracts</collection><collection>Industrial and Applied Microbiology Abstracts (Microbiology A)</collection><collection>Virology and AIDS Abstracts</collection><collection>Water Resources Abstracts</collection><collection>Technology Research Database</collection><collection>ProQuest SciTech Collection</collection><collection>ProQuest Natural Science Collection</collection><collection>ProQuest Central UK/Ireland</collection><collection>ProQuest Central Essentials</collection><collection>Biological Science Collection</collection><collection>ProQuest Central</collection><collection>Natural Science Collection</collection><collection>Earth, Atmospheric & Aquatic Science Collection</collection><collection>Environmental Sciences and Pollution Management</collection><collection>ProQuest One Community College</collection><collection>ProQuest Central Korea</collection><collection>ASFA: Aquatic Sciences and Fisheries Abstracts</collection><collection>Engineering Research Database</collection><collection>ProQuest Central Student</collection><collection>AIDS and Cancer Research Abstracts</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) 1: Biological Sciences & Living Resources</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) 2: Ocean Technology, Policy & Non-Living Resources</collection><collection>SciTech Premium Collection</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) Professional</collection><collection>ProQuest Biological Science Collection</collection><collection>Algology Mycology and Protozoology Abstracts (Microbiology C)</collection><collection>Biological Science Database</collection><collection>Biotechnology and BioEngineering Abstracts</collection><collection>Earth, Atmospheric & Aquatic Science Database</collection><collection>ProQuest One Academic Eastern Edition (DO NOT USE)</collection><collection>ProQuest One Academic</collection><collection>ProQuest One Academic UKI Edition</collection><jtitle>Journal of paleolimnology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Hou, Juzhi</au><au>Tian, Qian</au><au>Liang, Jie</au><au>Wang, Mingda</au><au>He, Yue</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Climatic implications of hydrologic changes in two lake catchments on the central Tibetan Plateau since the last glacial</atitle><jtitle>Journal of paleolimnology</jtitle><stitle>J Paleolimnol</stitle><date>2017-08-01</date><risdate>2017</risdate><volume>58</volume><issue>2</issue><spage>257</spage><epage>273</epage><pages>257-273</pages><issn>0921-2728</issn><eissn>1573-0417</eissn><abstract>The numerous and widespread lakes of the Tibetan Plateau (TP) constitute the largest group of alpine lakes on Earth. Some of the lakes are fed mainly by glacier meltwater and others by precipitation and groundwater. Past changes in the environments of these lakes differed because of differences in lake hydrological regimes and the complex pattern of climate change on the TP. Here we present records of scanning XRF, inorganic carbon (IC) concentration
n
-alkanoic acid average chain length (ACL) and percent aquatic inputs (Paq) in sediment cores from two non-glaciated lakes on the central TP (Dagze Co and Jiang Co), which span the past 19,000 years. We used these measures to investigate past changes in catchment hydrology, climate and environment. Variations in the concentration of Ti and other lithogenic elements at the two sites were influenced mainly by surface runoff, which is supported by the variation of IC, Ca/(Al, Ti, Fe) (reflecting authigenic carbonate precipitation), Rb/Sr (a chemical weathering proxy), and ACL and Paq. We attribute variations in surface runoff to changes in the precipitation/evaporation ratio, caused by the pattern of climate change on the central TP since the late Pleistocene. During the late Pleistocene, stronger runoff (indicated by higher Ti, higher Rb/Sr and Paq, lower IC, Ca/(Al, Ti, Fe) and ACL) likely resulted from lower temperatures. Lower runoff during the Holocene may reflect intensified evaporation caused by higher temperatures. Comparison with records from glaciated lakes in the region reveals opposite trends in catchment hydrology. Overall, our results suggest that since the late Pleistocene the central TP was influenced mainly by the Indian Summer Monsoon.</abstract><cop>Dordrecht</cop><pub>Springer Netherlands</pub><doi>10.1007/s10933-017-9976-9</doi><tpages>17</tpages><orcidid>https://orcid.org/0000-0002-8512-5739</orcidid></addata></record> |
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| subjects | Aluminum Calcium Carbonates Catchment area Catchments Chains Climate Climate Change Earth and Environmental Science Earth Sciences Environmental changes Evaporation Freshwater & Marine Ecology Geology Glaciers Glaciohydrology Groundwater High temperature Holocene Hydrologic regime Hydrology Inorganic carbon Iron Lake catchments Lakes Low temperature Meltwater Mountain lakes Original Paper Paleontology Physical Geography Pleistocene Precipitation Records Runoff Sediment Sedimentology Strontium Summer Surface runoff Titanium Weathering |
| title | Climatic implications of hydrologic changes in two lake catchments on the central Tibetan Plateau since the last glacial |
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