Relationship between watershed land-cover/land-use change and water turbidity status of Tampa Bay major tributaries, Florida, USA

Max ​Moreno Madrinan, Mohammad Z. Al-Hamdan, Douglas L. Rickman, Jun Ye

Research output: Contribution to journalArticle

9 Citations (Scopus)

Abstract

The extent and change of land cover/land use (LCLU) across the Tampa Bay watershed, Florida, was characterized for the time period between 1996 and 2006. Likewise, the water turbidity trend was determined at a site near the Bay for each of four major tributaries to Tampa Bay (Hillsborough River, the Alafia River, the Little Manatee River, and the Manatee River). This study identifies consistent changes in LCLU across the Tampa Bay watershed and a decrease in water turbidity. LCLU change analysis as a percent of the total Tampa Bay watershed revealed an increase of 2.6% in developed area followed by a 0.9% in bare land and a 0.6% in water cover. A decrease of 1.8% of the total Tampa Bay watershed was found in agriculture, followed in order by 1.1% in wetland and 1.4% in scrub/shrub. Other land classes changed less than 0.2% of the total watershed. A linear mixed model (SAS procedure PROC MIXED) revealed an overall decreasing trend in water turbidity (p=0.003, slope estimate=-0.02) across the four major Tampa Bay tributaries considered. This study suggests that development (urbanization) could be associated with decreasing water turbidity in Tampa Bay. Finally, although these results may help explain similar effects on other water bodies with similar conditions of adjacent urbanization and low slope, more analysis are needed considering a larger number of watersheds with similar scales and longer time period in order to confirm that the findings of this study are generally evident.

Original languageEnglish (US)
Pages (from-to)2093-2109
Number of pages17
JournalWater, Air, and Soil Pollution
Volume223
Issue number5
DOIs
StatePublished - Jun 1 2012
Externally publishedYes

Fingerprint

Turbidity
Watersheds
Land use
land use change
turbidity
tributary
land cover
watershed
Water
Rivers
water
river
urbanization
Wetlands
land use
Agriculture
scrub
shrub
wetland
agriculture

Keywords

  • Agriculture
  • Bare land
  • Developed
  • Forest
  • Geographical information systems
  • Remote sensing
  • SAS
  • Scrub/shrub
  • Urbanization
  • Water quality
  • Wetland

ASJC Scopus subject areas

  • Environmental Engineering
  • Environmental Chemistry
  • Ecological Modeling
  • Water Science and Technology
  • Pollution

Cite this

Relationship between watershed land-cover/land-use change and water turbidity status of Tampa Bay major tributaries, Florida, USA. / ​Moreno Madrinan, Max; Al-Hamdan, Mohammad Z.; Rickman, Douglas L.; Ye, Jun.

In: Water, Air, and Soil Pollution, Vol. 223, No. 5, 01.06.2012, p. 2093-2109.

Research output: Contribution to journalArticle

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