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Pre-Impoundment Estimations of Nutrient Loading to Ray Roberts Lake and Prediction of Post-Inundation Trophic Status
Excessive nutrient loading of natural and artificial lakes has led, in some systems, to plethoric algal and aquatic macrophyte growth which can result in aesthetic degradation and undesirable tastes and odors. It would be advantageous to have some indication of the potential trophic status of a reservoir before it is filled. An objective of this study was to assess the water quality and nutrient loading potential of the tributaries entering Ray Roberts Lake, a large reservoir located in north central Texas. Samples from a maximum of thirteen sites were collected on the Elm Fork, Trinity River, Isle duBois Creek, and five additional tributaries. Data were also collected during six storms, from atmospheric deposition collectors, and from soil-water microcosms. The relationship between watershed landuse and mean water nutrient concentrations was evaluated. Significant differences will exist between the two major arms of Ray Roberts Lake: Elm Fork, Trinity River and Isle duBois Creek. While the majority of the annual phosphorus and nitrogen load entering both tributaries is coming from overland flow, the proportion is higher in Isle duBois Creek. Point sources in the Elm Fork contribute a larger percentage of the bioavailable phosphorus, which is significantly greater than in Isle duBois Creek. …
Date:
May 1988
Creator:
Pillard, David Alan, 1958-
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Assessing Defensiveness with the PAI: a Cross Validational Study
The use of scales on the Personality Assessment Inventory (PAI) to detect defensiveness in criminal and nonclinical samples was evaluated. Forty-five male inmates of a county jail and 38 male undergraduate psychology students were provided with incentives to complete the PAI under two conditions: standard instructions and experimental instructions to feign a specific, positive role. The sequence of instructions was counterbalanced in both samples for the purpose of examining ordering effects. A repeated measures multivariate analysis of variance (MANOVA) was performed, yielding significant main effects of condition, group and order. Additionally, a step-wise discriminant function analysis significantly predicted group membership (i.e., subjects under honest and faking conditions) with a hit rate = 84.4%. Finally, a more effective cutting score for the Positive Impression scale was recommended.
Date:
May 1994
Creator:
Cashel, Mary Louise
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Sherman Daily Democrat (Sherman, Tex.), Vol. 41, No. 155, Ed. 1 Tuesday, May 2, 1922
Daily newspaper (except Saturday) from Sherman, Texas that includes local, state and national news along with extensive advertising.
Date:
May 2, 1922
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
Sherman Daily Democrat (Sherman, Tex.), Vol. 41, No. 255, Ed. 1 Monday, May 1, 1922
Daily newspaper (except Saturday) from Sherman, Texas that includes local, state and national news along with extensive advertising.
Date:
May 1, 1922
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
Sherman Daily Democrat (Sherman, Tex.), Vol. 41, No. 257, Ed. 1 Thursday, May 4, 1922
Daily newspaper (except Saturday) from Sherman, Texas that includes local, state and national news along with extensive advertising.
Date:
May 4, 1922
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
Sherman Daily Democrat (Sherman, Tex.), Vol. 41, No. 256, Ed. 1 Wednesday, May 3, 1922
Daily newspaper (except Saturday) from Sherman, Texas that includes local, state and national news along with extensive advertising.
Date:
May 3, 1922
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
Sherman Daily Democrat (Sherman, Tex.), Vol. 41, No. 258, Ed. 1 Friday, May 5, 1922
Daily newspaper (except Saturday) from Sherman, Texas that includes local, state and national news along with extensive advertising.
Date:
May 5, 1922
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
Sherman Daily Democrat (Sherman, Tex.), Vol. 41, No. 260, Ed. 1 Monday, May 8, 1922
Daily newspaper (except Saturday) from Sherman, Texas that includes local, state and national news along with extensive advertising.
Date:
May 8, 1922
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
Sherman Daily Democrat (Sherman, Tex.), Vol. 41, No. 259, Ed. 1 Sunday, May 7, 1922
Daily newspaper (except Saturday) from Sherman, Texas that includes local, state and national news along with extensive advertising.
Date:
May 7, 1922
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
Sherman Daily Democrat (Sherman, Tex.), Vol. 41, No. 261, Ed. 1 Tuesday, May 9, 1922
Daily newspaper (except Saturday) from Sherman, Texas that includes local, state and national news along with extensive advertising.
Date:
May 9, 1922
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
Sherman Daily Democrat (Sherman, Tex.), Vol. 41, No. 263, Ed. 1 Thursday, May 11, 1922
Daily newspaper (except Saturday) from Sherman, Texas that includes local, state and national news along with extensive advertising.
Date:
May 11, 1922
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
Sherman Daily Democrat (Sherman, Tex.), Vol. 41, No. 262, Ed. 1 Wednesday, May 10, 1922
Daily newspaper (except Saturday) from Sherman, Texas that includes local, state and national news along with extensive advertising.
Date:
May 10, 1922
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
Sherman Daily Democrat (Sherman, Tex.), Vol. 41, No. 264, Ed. 1 Friday, May 12, 1922
Daily newspaper (except Saturday) from Sherman, Texas that includes local, state and national news along with extensive advertising.
Date:
May 12, 1922
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
Sherman Daily Democrat (Sherman, Tex.), Vol. 41, No. 265, Ed. 1 Sunday, May 14, 1922
Daily newspaper (except Saturday) from Sherman, Texas that includes local, state and national news along with extensive advertising.
Date:
May 14, 1922
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
Sherman Daily Democrat (Sherman, Tex.), Vol. 41, No. 267, Ed. 1 Tuesday, May 16, 1922
Daily newspaper (except Saturday) from Sherman, Texas that includes local, state and national news along with extensive advertising.
Date:
May 16, 1922
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
Sherman Daily Democrat (Sherman, Tex.), Vol. 41, No. 266, Ed. 1 Monday, May 15, 1922
Daily newspaper (except Saturday) from Sherman, Texas that includes local, state and national news along with extensive advertising.
Date:
May 15, 1922
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
Sherman Daily Democrat (Sherman, Tex.), Vol. 41, No. 269, Ed. 1 Thursday, May 18, 1922
Daily newspaper (except Saturday) from Sherman, Texas that includes local, state and national news along with extensive advertising.
Date:
May 18, 1922
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
Sherman Daily Democrat (Sherman, Tex.), Vol. 41, No. 268, Ed. 1 Wednesday, May 17, 1922
Daily newspaper (except Saturday) from Sherman, Texas that includes local, state and national news along with extensive advertising.
Date:
May 17, 1922
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
Sherman Daily Democrat (Sherman, Tex.), Vol. 41, No. 270, Ed. 1 Friday, May 19, 1922
Daily newspaper (except Saturday) from Sherman, Texas that includes local, state and national news along with extensive advertising.
Date:
May 19, 1922
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
Sherman Daily Democrat (Sherman, Tex.), Vol. 41, No. 272, Ed. 1 Monday, May 22, 1922
Daily newspaper (except Saturday) from Sherman, Texas that includes local, state and national news along with extensive advertising.
Date:
May 22, 1922
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
Sherman Daily Democrat (Sherman, Tex.), Vol. 41, No. 271, Ed. 1 Sunday, May 21, 1922
Daily newspaper (except Saturday) from Sherman, Texas that includes local, state and national news along with extensive advertising.
Date:
May 21, 1922
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
Sherman Daily Democrat (Sherman, Tex.), Vol. 41, No. 273, Ed. 1 Tuesday, May 23, 1922
Daily newspaper (except Saturday) from Sherman, Texas that includes local, state and national news along with extensive advertising.
Date:
May 23, 1922
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
Sherman Daily Democrat (Sherman, Tex.), Vol. 41, No. 275, Ed. 1 Thursday, May 25, 1922
Daily newspaper (except Saturday) from Sherman, Texas that includes local, state and national news along with extensive advertising.
Date:
May 25, 1922
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
Sherman Daily Democrat (Sherman, Tex.), Vol. 41, No. 274, Ed. 1 Wednesday, May 24, 1922
Daily newspaper (except Saturday) from Sherman, Texas that includes local, state and national news along with extensive advertising.
Date:
May 24, 1922
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History