Nutrient dynamics in marsh sediments contaminated by an oil spill following a flood /

0.75, -0.67, and -0.63 where found between the sum of target

Bibliographic Details
Main Author: Harris, Benjamin Cord, 1969-
Format: Thesis eBook
Language:English
Published: [Place of publication not identified] : [publisher not identified] ; 1997.
Subjects:
Online Access:Link to OAKTrust copy
Description
Summary:0.75, -0.67, and -0.63 where found between the sum of target
5.0 ppm N, and 0.5 ppm N for available phosphate, ammonium,
ammonia), nitrate (plus nitrite), available phosphorus, total
analytes and ammonium, available phosphorus, total Kjeldahl
and nitrate, respectively. Ammonium concentrations were as
area was naturally enhanced with elevated nutrient levels.
as 75 ppm P during December, 1994. Available nutrient levels
between the nutrient levels and the degradation of the
brackish marsh impacted by an oil spill and fire in which the
cleanup during the spill response. Sediment samples,
collected over a period of one year, were analyzed for
correlation coefficients suggest a strong interdependency
declined over the period of the study indicating that the
degradation of the oil.
downstream where it was ignited inside a flooded house and
either nutrient rich sediments from erosion due to the flood
Flood waters during October, 1994, ruptured a group of
from construction activities involved in building the
high as 40 ppm N and available phosphorus levels were as high
into the San Jacinto River near Houston. This spill traveled
Kjeldahl nitrogen and total Kjeldahl phosphorus. Available
nitrogen, and total Kjeldahl phosphorus, respectively. These
nutrient concentrations were initially high and then declined
nutrient levels provided favorable conditions for the
nutrients and petroleum hydrocarbons. Natural levels were
obtained by monitoring the nutrient values over a year after
or ashes from the fire. Also, the disturbance of the site
perturbations observed. During the study, the sum of total
petroleum target analytes decreased from approximately 160
petroleum. The data suggest that the naturally elevated
pipelines which released gasoline, diesel fuel and crude oil
ppm to less than 10 ppm. Correlation coefficients of 0.76,
sampling structures could have contributed to the
system had been enriched.
the event. Nutrients monitored include ammonium (plus
Theories about the source of enrichment include deposition of
This research involves a study of the natural recovery of a
to presumed background levels of approximately I 0.0 ppm P,
was allowed to bum for 7 days. A petroleum contaminated
wetland was designated as a research area and received no
Item Description:"Major subject: Civil Engineering".
Vita.
Physical Description:x, 65 leaves : illustrations, maps ; 28 cm.
Also available online.
Issued also on microfiche from Lange Micrographics.
Bibliography:Includes bibliographical references.