Areal and vertical distribution of total soil mercury and total phosphorusin the southern half of water conservation area 3-A, Everglades, Southern Florida

Areal and vertical distribution of total soil mercury and total phosphorusin the southern half of water conservation area 3-A, Everglades, Southern Florida

Total soil-mercury and phosphorus concentrations were determined in 64 sites in the southern half of Water Conservation Area 3A, an area of approximately 500 km2 . Surface soil-Hg concentrations ranged from 117 to 300 ng-g-1;total phosphorus concentrations range from 350 to 850 pg~g-1. No consistent...

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Main Author: Arfstrom, Cleone Botelho
Format: Others
Published: FIU Digital Commons 1995
Subjects:
Geology
Online Access:http://digitalcommons.fiu.edu/etd/1305
http://digitalcommons.fiu.edu/cgi/viewcontent.cgi?article=2440&context=etd
id ndltd-fiu.edu-oai-digitalcommons.fiu.edu-etd-2440
record_format oai_dc
spelling ndltd-fiu.edu-oai-digitalcommons.fiu.edu-etd-24402018-07-19T03:34:13Z Areal and vertical distribution of total soil mercury and total phosphorusin the southern half of water conservation area 3-A, Everglades, Southern Florida Arfstrom, Cleone Botelho Total soil-mercury and phosphorus concentrations were determined in 64 sites in the southern half of Water Conservation Area 3A, an area of approximately 500 km2 . Surface soil-Hg concentrations ranged from 117 to 300 ng-g-1;total phosphorus concentrations range from 350 to 850 pg~g-1. No consistent north-south or east-west trends are found in the mercury or phosphorus surface concentrations when they are normalized to soil bulk density. Nine sites were used for the determination of the vertical distribution of soilmercury. Vertical profiles of soil-Hg revealed decreasing concentrations with depth and correlated well with phosphorus in soil profiles. Mercury concentrations in soil profiles may be interpreted as an increase in the rate of deposition of mercury in the region in recent decades and/or as postdepositionalmobilization of mercury to surface layers. 1995-06-16T07:00:00Z text application/pdf http://digitalcommons.fiu.edu/etd/1305 http://digitalcommons.fiu.edu/cgi/viewcontent.cgi?article=2440&context=etd FIU Electronic Theses and Dissertations FIU Digital Commons Geology
collection NDLTD
format Others
sources NDLTD
topic Geology
spellingShingle Geology
Arfstrom, Cleone Botelho
Areal and vertical distribution of total soil mercury and total phosphorusin the southern half of water conservation area 3-A, Everglades, Southern Florida
description Total soil-mercury and phosphorus concentrations were determined in 64 sites in the southern half of Water Conservation Area 3A, an area of approximately 500 km2 . Surface soil-Hg concentrations ranged from 117 to 300 ng-g-1;total phosphorus concentrations range from 350 to 850 pg~g-1. No consistent north-south or east-west trends are found in the mercury or phosphorus surface concentrations when they are normalized to soil bulk density. Nine sites were used for the determination of the vertical distribution of soilmercury. Vertical profiles of soil-Hg revealed decreasing concentrations with depth and correlated well with phosphorus in soil profiles. Mercury concentrations in soil profiles may be interpreted as an increase in the rate of deposition of mercury in the region in recent decades and/or as postdepositionalmobilization of mercury to surface layers.
author Arfstrom, Cleone Botelho
author_facet Arfstrom, Cleone Botelho
author_sort Arfstrom, Cleone Botelho
title Areal and vertical distribution of total soil mercury and total phosphorusin the southern half of water conservation area 3-A, Everglades, Southern Florida
title_short Areal and vertical distribution of total soil mercury and total phosphorusin the southern half of water conservation area 3-A, Everglades, Southern Florida
title_full Areal and vertical distribution of total soil mercury and total phosphorusin the southern half of water conservation area 3-A, Everglades, Southern Florida
title_fullStr Areal and vertical distribution of total soil mercury and total phosphorusin the southern half of water conservation area 3-A, Everglades, Southern Florida
title_full_unstemmed Areal and vertical distribution of total soil mercury and total phosphorusin the southern half of water conservation area 3-A, Everglades, Southern Florida
title_sort areal and vertical distribution of total soil mercury and total phosphorusin the southern half of water conservation area 3-a, everglades, southern florida
publisher FIU Digital Commons
publishDate 1995
url http://digitalcommons.fiu.edu/etd/1305
http://digitalcommons.fiu.edu/cgi/viewcontent.cgi?article=2440&context=etd
work_keys_str_mv AT arfstromcleonebotelho arealandverticaldistributionoftotalsoilmercuryandtotalphosphorusinthesouthernhalfofwaterconservationarea3aevergladessouthernflorida
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