On the environmental role of urban lakes in Mexico City
Biometeorological relationships in two urban lakes in Mexico City were studied during two years. Meteorological parameters were analyzed together with physical, chemical, and biological variables in the lakes' water column in order to obtain general descriptors of water-air interactions in the...
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| Veröffentlicht in: | Urban ecosystems 2000-04, Vol.4 (2), p.145-166 |
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| creator | Martínez-arroyo, Amparo Jáuregui, Ernesto |
| description | Biometeorological relationships in two urban lakes in Mexico City were studied during two years. Meteorological parameters were analyzed together with physical, chemical, and biological variables in the lakes' water column in order to obtain general descriptors of water-air interactions in the urban environment. Low percentages of light penetration ( |
| doi_str_mv | 10.1023/A:1011355110475 |
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Meteorological parameters were analyzed together with physical, chemical, and biological variables in the lakes' water column in order to obtain general descriptors of water-air interactions in the urban environment. Low percentages of light penetration (<10-20%) were recorded in both lakes at 0.5 m depth, as well as high chlorophyll a concentrations ranging from 89 to 220 mg m^sup -3^. Dissolved oxygen concentrations often reached oversaturation in the surface layer. The potential water-air oxygen exchange ranged from 11 to 45 mmol O^sub 2^ m^sup -2^ d^sup -1^ in Chapultepec and from 11 to 124 mmol O^sub 2^ m^sup -2^ d^sup -1^ in Xochimilco, while the oxygen budget from net photosynthetic production would be on the order of 1.2 to 9.3 μm O^sub 2^ mg Chl a^sup -1^ h^sup -1^ in the former lake and from 0.77 to 16.9 μm O^sub 2^ mg Chl a^sup -1^ h^sup -1^ in the latter. Xochimilco loses an annual average of 8855 m^sup 3^ d^sup -1^ to evaporation, while Chapultepec loses an annual average of the order of 240 m^sup 3^ d^sup -1^. Physical and biological processes in urban lakes act together to increase the environmental humidity, decrease temperature, and contribute to O^sub 2^-CO^sub 2^ exchange with the environment. Understanding the detailed transfer processes between aquatic ecosystems and their adjacent atmosphere will help the urban planning with environmental design regarding microclimate targets and healthy environments.[PUBLICATION ABSTRACT]</description><identifier>ISSN: 1083-8155</identifier><identifier>EISSN: 1573-1642</identifier><identifier>DOI: 10.1023/A:1011355110475</identifier><language>eng</language><publisher>Salzburg: Springer Nature B.V</publisher><subject>Aquatic ecosystems ; Dissolved oxygen ; Evaporation ; Lakes ; Light penetration ; Microclimate ; Oxygen ; Sustainable design ; Urban environments ; Urban planning ; Water column</subject><ispartof>Urban ecosystems, 2000-04, Vol.4 (2), p.145-166</ispartof><rights>Kluwer Academic Publishers 2000</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c1052-b115640ca87770c30c02b7660377955c63e2e79f8d74bedc8b24189a22f22e03</citedby></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>315,781,785,27929,27930</link.rule.ids></links><search><creatorcontrib>Martínez-arroyo, Amparo</creatorcontrib><creatorcontrib>Jáuregui, Ernesto</creatorcontrib><title>On the environmental role of urban lakes in Mexico City</title><title>Urban ecosystems</title><description>Biometeorological relationships in two urban lakes in Mexico City were studied during two years. Meteorological parameters were analyzed together with physical, chemical, and biological variables in the lakes' water column in order to obtain general descriptors of water-air interactions in the urban environment. Low percentages of light penetration (<10-20%) were recorded in both lakes at 0.5 m depth, as well as high chlorophyll a concentrations ranging from 89 to 220 mg m^sup -3^. Dissolved oxygen concentrations often reached oversaturation in the surface layer. The potential water-air oxygen exchange ranged from 11 to 45 mmol O^sub 2^ m^sup -2^ d^sup -1^ in Chapultepec and from 11 to 124 mmol O^sub 2^ m^sup -2^ d^sup -1^ in Xochimilco, while the oxygen budget from net photosynthetic production would be on the order of 1.2 to 9.3 μm O^sub 2^ mg Chl a^sup -1^ h^sup -1^ in the former lake and from 0.77 to 16.9 μm O^sub 2^ mg Chl a^sup -1^ h^sup -1^ in the latter. Xochimilco loses an annual average of 8855 m^sup 3^ d^sup -1^ to evaporation, while Chapultepec loses an annual average of the order of 240 m^sup 3^ d^sup -1^. Physical and biological processes in urban lakes act together to increase the environmental humidity, decrease temperature, and contribute to O^sub 2^-CO^sub 2^ exchange with the environment. Understanding the detailed transfer processes between aquatic ecosystems and their adjacent atmosphere will help the urban planning with environmental design regarding microclimate targets and healthy environments.[PUBLICATION ABSTRACT]</description><subject>Aquatic ecosystems</subject><subject>Dissolved oxygen</subject><subject>Evaporation</subject><subject>Lakes</subject><subject>Light penetration</subject><subject>Microclimate</subject><subject>Oxygen</subject><subject>Sustainable design</subject><subject>Urban environments</subject><subject>Urban planning</subject><subject>Water column</subject><issn>1083-8155</issn><issn>1573-1642</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2000</creationdate><recordtype>article</recordtype><sourceid>8G5</sourceid><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>AZQEC</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><sourceid>GNUQQ</sourceid><sourceid>GUQSH</sourceid><sourceid>M2O</sourceid><recordid>eNpdjjtPwzAURi0EEqUws1osTIF77fgRtiriJRV16R457o1IcW2IEwT_nkgwMX1nODr6GLtEuEEQ8nZ1h4AolUKE0qgjtkBlZIG6FMczg5WFRaVO2VnOewAEsHbBzCby8ZU4xc9-SPFAcXSBDykQTx2fhtZFHtwbZd5H_kJfvU-87sfvc3bSuZDp4m-XbPtwv62fivXm8blerQuPoETRIipdgnfWGANeggfRGq1BGlMp5bUkQabq7M6ULe28bUWJtnJCdEIQyCW7_s2-D-ljojw2hz57CsFFSlNurKy0rawSs3n1z9ynaYjzt8YoO0fLWfoBzJhS3g</recordid><startdate>20000401</startdate><enddate>20000401</enddate><creator>Martínez-arroyo, Amparo</creator><creator>Jáuregui, Ernesto</creator><general>Springer Nature B.V</general><scope>0-V</scope><scope>3V.</scope><scope>7SN</scope><scope>7ST</scope><scope>7WY</scope><scope>7WZ</scope><scope>7XB</scope><scope>87Z</scope><scope>88I</scope><scope>88J</scope><scope>8FK</scope><scope>8FL</scope><scope>8G5</scope><scope>ABUWG</scope><scope>AFKRA</scope><scope>ALSLI</scope><scope>ATCPS</scope><scope>AZQEC</scope><scope>BENPR</scope><scope>BEZIV</scope><scope>BHPHI</scope><scope>C1K</scope><scope>CCPQU</scope><scope>DPSOV</scope><scope>DWQXO</scope><scope>FRNLG</scope><scope>F~G</scope><scope>GNUQQ</scope><scope>GUQSH</scope><scope>HCIFZ</scope><scope>K60</scope><scope>K6~</scope><scope>KC-</scope><scope>L.-</scope><scope>M0C</scope><scope>M2L</scope><scope>M2O</scope><scope>M2P</scope><scope>M2R</scope><scope>MBDVC</scope><scope>PATMY</scope><scope>PQBIZ</scope><scope>PQBZA</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PYCSY</scope><scope>Q9U</scope><scope>SOI</scope></search><sort><creationdate>20000401</creationdate><title>On the environmental role of urban lakes in Mexico City</title><author>Martínez-arroyo, Amparo ; 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Meteorological parameters were analyzed together with physical, chemical, and biological variables in the lakes' water column in order to obtain general descriptors of water-air interactions in the urban environment. Low percentages of light penetration (<10-20%) were recorded in both lakes at 0.5 m depth, as well as high chlorophyll a concentrations ranging from 89 to 220 mg m^sup -3^. Dissolved oxygen concentrations often reached oversaturation in the surface layer. The potential water-air oxygen exchange ranged from 11 to 45 mmol O^sub 2^ m^sup -2^ d^sup -1^ in Chapultepec and from 11 to 124 mmol O^sub 2^ m^sup -2^ d^sup -1^ in Xochimilco, while the oxygen budget from net photosynthetic production would be on the order of 1.2 to 9.3 μm O^sub 2^ mg Chl a^sup -1^ h^sup -1^ in the former lake and from 0.77 to 16.9 μm O^sub 2^ mg Chl a^sup -1^ h^sup -1^ in the latter. 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| language | eng |
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| source | Springer Online Journals Complete |
| subjects | Aquatic ecosystems Dissolved oxygen Evaporation Lakes Light penetration Microclimate Oxygen Sustainable design Urban environments Urban planning Water column |
| title | On the environmental role of urban lakes in Mexico City |
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