Investigations of subsurface flow constructed wetlands and associated geomaterial resources in the Akumal and Reforma regions, Quintana Roo, Mexico
Subsurface flow constructed wetlands in the village of Akumal, Quintana Roo, Mexico were surveyed to determine the general status of the wetland systems and provide baseline information for long term monitoring and further study. Twenty subsurface flow wetlands were surveyed and common problems obse...
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Veröffentlicht in: | Environmental earth sciences 2007-12, Vol.53 (4), p.709-726 |
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description | Subsurface flow constructed wetlands in the village of Akumal, Quintana Roo, Mexico were surveyed to determine the general status of the wetland systems and provide baseline information for long term monitoring and further study. Twenty subsurface flow wetlands were surveyed and common problems observed in the systems were overloading, poor plant cover, odor, and no secondary containment. Bulk mineral composition of aggregate from two subsurface flow constructed wetlands was determined to consist solely of calcite using bulk powder X-ray diffraction. Some soil structure is developed in the aggregate and aggregate levels in wetlands drop at an estimated rate between 3 and 10 cm/year for overloaded wetlands owing to dissolution. Mineral composition from fresh aggregate samples commonly is a mixture of calcite and aragonite. Trace amounts of Pb, Zn, Co, and Cr were observed in fresh aggregate. Coefficients of permeability (k) varied from 0.006 to 0.027 cm/s with an average values being 0.016 cm/s. Grain size analysis of fresh aggregate samples indicates there are unimodal and multimodal size distributions in the samples with modes in the coarse and fine sand being common. Investigations of other geologic media from the Reforma region indicate that a dolomite with minor amounts of Fe-oxide and palygorskite is abundant and may be a better aggregate source that the current materials used. A Ca-montmorillonite bed was identified in the Reforma region as well and this unit is suitable to serve as a clay liner to prevent leaks for new and existing wetland systems. These newly discovered geologic resources should aid in the improvement of subsurface flow constructed wetlands in the region. Although problems do exist in these wetlands with respect to design, these systems represent a successful implementation of constructed wetlands at a community level in developing regions. |
doi_str_mv | 10.1007/s00254-007-0684-z |
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S ; Probst, Pete ; Samsonov, Misha ; Tselepis, Cynthia M ; Bates, William ; Kearns, Lance E ; Maynard, J. Barry</creator><creatorcontrib>Krekeler, Mark P. S ; Probst, Pete ; Samsonov, Misha ; Tselepis, Cynthia M ; Bates, William ; Kearns, Lance E ; Maynard, J. Barry</creatorcontrib><description>Subsurface flow constructed wetlands in the village of Akumal, Quintana Roo, Mexico were surveyed to determine the general status of the wetland systems and provide baseline information for long term monitoring and further study. Twenty subsurface flow wetlands were surveyed and common problems observed in the systems were overloading, poor plant cover, odor, and no secondary containment. Bulk mineral composition of aggregate from two subsurface flow constructed wetlands was determined to consist solely of calcite using bulk powder X-ray diffraction. Some soil structure is developed in the aggregate and aggregate levels in wetlands drop at an estimated rate between 3 and 10 cm/year for overloaded wetlands owing to dissolution. Mineral composition from fresh aggregate samples commonly is a mixture of calcite and aragonite. Trace amounts of Pb, Zn, Co, and Cr were observed in fresh aggregate. Coefficients of permeability (k) varied from 0.006 to 0.027 cm/s with an average values being 0.016 cm/s. Grain size analysis of fresh aggregate samples indicates there are unimodal and multimodal size distributions in the samples with modes in the coarse and fine sand being common. Investigations of other geologic media from the Reforma region indicate that a dolomite with minor amounts of Fe-oxide and palygorskite is abundant and may be a better aggregate source that the current materials used. A Ca-montmorillonite bed was identified in the Reforma region as well and this unit is suitable to serve as a clay liner to prevent leaks for new and existing wetland systems. These newly discovered geologic resources should aid in the improvement of subsurface flow constructed wetlands in the region. Although problems do exist in these wetlands with respect to design, these systems represent a successful implementation of constructed wetlands at a community level in developing regions.</description><identifier>ISSN: 0943-0105</identifier><identifier>ISSN: 1866-6280</identifier><identifier>EISSN: 1432-0495</identifier><identifier>EISSN: 1866-6299</identifier><identifier>DOI: 10.1007/s00254-007-0684-z</identifier><language>eng</language><publisher>Berlin: Berlin/Heidelberg : Springer-Verlag</publisher><subject>Akumal ; Artificial wetlands ; Calcite ; Carbonate aggregate ; constructed wetlands ; Dolomite ; Earth sciences ; Earth, ocean, space ; Exact sciences and technology ; Geochemistry ; Groundwater flow ; Hydrology ; Hydrology. Hydrogeology ; Mineral composition ; Mineralogy ; Montmorillonite ; Soil structure ; Wetlands ; X-ray diffraction</subject><ispartof>Environmental earth sciences, 2007-12, Vol.53 (4), p.709-726</ispartof><rights>2008 INIST-CNRS</rights><rights>Springer-Verlag 2007</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c388t-7b5698c6b4f2e34b16d749d4bbbfb3e3a68972e7288cc5579bbcbe075c2fe4db3</citedby><cites>FETCH-LOGICAL-c388t-7b5698c6b4f2e34b16d749d4bbbfb3e3a68972e7288cc5579bbcbe075c2fe4db3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,27924,27925</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=19954425$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Krekeler, Mark P. S</creatorcontrib><creatorcontrib>Probst, Pete</creatorcontrib><creatorcontrib>Samsonov, Misha</creatorcontrib><creatorcontrib>Tselepis, Cynthia M</creatorcontrib><creatorcontrib>Bates, William</creatorcontrib><creatorcontrib>Kearns, Lance E</creatorcontrib><creatorcontrib>Maynard, J. Barry</creatorcontrib><title>Investigations of subsurface flow constructed wetlands and associated geomaterial resources in the Akumal and Reforma regions, Quintana Roo, Mexico</title><title>Environmental earth sciences</title><description>Subsurface flow constructed wetlands in the village of Akumal, Quintana Roo, Mexico were surveyed to determine the general status of the wetland systems and provide baseline information for long term monitoring and further study. Twenty subsurface flow wetlands were surveyed and common problems observed in the systems were overloading, poor plant cover, odor, and no secondary containment. Bulk mineral composition of aggregate from two subsurface flow constructed wetlands was determined to consist solely of calcite using bulk powder X-ray diffraction. Some soil structure is developed in the aggregate and aggregate levels in wetlands drop at an estimated rate between 3 and 10 cm/year for overloaded wetlands owing to dissolution. Mineral composition from fresh aggregate samples commonly is a mixture of calcite and aragonite. Trace amounts of Pb, Zn, Co, and Cr were observed in fresh aggregate. Coefficients of permeability (k) varied from 0.006 to 0.027 cm/s with an average values being 0.016 cm/s. Grain size analysis of fresh aggregate samples indicates there are unimodal and multimodal size distributions in the samples with modes in the coarse and fine sand being common. Investigations of other geologic media from the Reforma region indicate that a dolomite with minor amounts of Fe-oxide and palygorskite is abundant and may be a better aggregate source that the current materials used. A Ca-montmorillonite bed was identified in the Reforma region as well and this unit is suitable to serve as a clay liner to prevent leaks for new and existing wetland systems. These newly discovered geologic resources should aid in the improvement of subsurface flow constructed wetlands in the region. Although problems do exist in these wetlands with respect to design, these systems represent a successful implementation of constructed wetlands at a community level in developing regions.</description><subject>Akumal</subject><subject>Artificial wetlands</subject><subject>Calcite</subject><subject>Carbonate aggregate</subject><subject>constructed wetlands</subject><subject>Dolomite</subject><subject>Earth sciences</subject><subject>Earth, ocean, space</subject><subject>Exact sciences and technology</subject><subject>Geochemistry</subject><subject>Groundwater flow</subject><subject>Hydrology</subject><subject>Hydrology. Hydrogeology</subject><subject>Mineral composition</subject><subject>Mineralogy</subject><subject>Montmorillonite</subject><subject>Soil structure</subject><subject>Wetlands</subject><subject>X-ray diffraction</subject><issn>0943-0105</issn><issn>1866-6280</issn><issn>1432-0495</issn><issn>1866-6299</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2007</creationdate><recordtype>article</recordtype><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>AZQEC</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><sourceid>GNUQQ</sourceid><recordid>eNqFkc1u1TAQhSMEEpfCA7DCQoJVA2N78uNlVfFTqQhR6NqynfHFJYmLnVDoa_DCOLqVkNiwsUdH3xl75lTVUw6vOED3OgOIButS1tD2WN_eq3YcpagBVXO_2oFCWQOH5mH1KOcrAFCiU7vq99n8g_IS9mYJcc4sepZXm9fkjSPmx3jDXNGXtLqFBnZDy2jmIbNyMJNzdMFs-p7iVIoUzMgS5bgmR5mFmS1fiZ18W6eib5YL8jFNpjD77blj9mkN82Jmwy5iPGYf6Gdw8XH1wJsx05O7-6i6fPvmy-n7-vzju7PTk_Payb5f6s42repda9ELkmh5O3SoBrTWeitJmrZXnaBO9L1zTdMpa50l6BonPOFg5VH18tD3OsXva9mCnkJ2NJYJKa5ZC1AgeNv8F-TYo-ItFvD5P-BVWcVchtCyBMERW14gfoBcijkn8vo6hcmkX5qD3sLUhzD1Vm5h6tvieXHX2GRnRp_M7EL-a1SqQRTbT58dOG-iNvtUmMvPArgE6IWSiPIPqLmrqQ</recordid><startdate>20071201</startdate><enddate>20071201</enddate><creator>Krekeler, Mark P. 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S</au><au>Probst, Pete</au><au>Samsonov, Misha</au><au>Tselepis, Cynthia M</au><au>Bates, William</au><au>Kearns, Lance E</au><au>Maynard, J. Barry</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Investigations of subsurface flow constructed wetlands and associated geomaterial resources in the Akumal and Reforma regions, Quintana Roo, Mexico</atitle><jtitle>Environmental earth sciences</jtitle><date>2007-12-01</date><risdate>2007</risdate><volume>53</volume><issue>4</issue><spage>709</spage><epage>726</epage><pages>709-726</pages><issn>0943-0105</issn><issn>1866-6280</issn><eissn>1432-0495</eissn><eissn>1866-6299</eissn><abstract>Subsurface flow constructed wetlands in the village of Akumal, Quintana Roo, Mexico were surveyed to determine the general status of the wetland systems and provide baseline information for long term monitoring and further study. Twenty subsurface flow wetlands were surveyed and common problems observed in the systems were overloading, poor plant cover, odor, and no secondary containment. Bulk mineral composition of aggregate from two subsurface flow constructed wetlands was determined to consist solely of calcite using bulk powder X-ray diffraction. Some soil structure is developed in the aggregate and aggregate levels in wetlands drop at an estimated rate between 3 and 10 cm/year for overloaded wetlands owing to dissolution. Mineral composition from fresh aggregate samples commonly is a mixture of calcite and aragonite. Trace amounts of Pb, Zn, Co, and Cr were observed in fresh aggregate. Coefficients of permeability (k) varied from 0.006 to 0.027 cm/s with an average values being 0.016 cm/s. Grain size analysis of fresh aggregate samples indicates there are unimodal and multimodal size distributions in the samples with modes in the coarse and fine sand being common. Investigations of other geologic media from the Reforma region indicate that a dolomite with minor amounts of Fe-oxide and palygorskite is abundant and may be a better aggregate source that the current materials used. A Ca-montmorillonite bed was identified in the Reforma region as well and this unit is suitable to serve as a clay liner to prevent leaks for new and existing wetland systems. These newly discovered geologic resources should aid in the improvement of subsurface flow constructed wetlands in the region. Although problems do exist in these wetlands with respect to design, these systems represent a successful implementation of constructed wetlands at a community level in developing regions.</abstract><cop>Berlin</cop><pub>Berlin/Heidelberg : Springer-Verlag</pub><doi>10.1007/s00254-007-0684-z</doi><tpages>18</tpages></addata></record> |
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subjects | Akumal Artificial wetlands Calcite Carbonate aggregate constructed wetlands Dolomite Earth sciences Earth, ocean, space Exact sciences and technology Geochemistry Groundwater flow Hydrology Hydrology. Hydrogeology Mineral composition Mineralogy Montmorillonite Soil structure Wetlands X-ray diffraction |
title | Investigations of subsurface flow constructed wetlands and associated geomaterial resources in the Akumal and Reforma regions, Quintana Roo, Mexico |
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