Search Results - "Hetling, Leo J."

Sources of Nitrate in Rivers Draining Sixteen Watersheds in the Northeastern U.S.: Isotopic Constraints by Mayer, Bernhard, Boyer, Elizabeth W., Goodale, Christine, Jaworski, Norbert A., Van Breemen, Nico, Howarth, Robert W., Seitzinger, Sybil, Billen, Gilles, Lajtha, Kate, Nadelhoffer, Knute, Van Dam, Douwe, Hetling, Leo J., Nosal, Miloslav, Paustian, Keith

“…The feasibility of using nitrogen and oxygen isotope ratios of nitrate (NO3-) for elucidating sources and transformations of riverine nitrate was evaluated in…”
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Effect of Water Quality Management Efforts on Wastewater Loadings during the Past Century by Hetling, Leo J., Stoddard, Andrew, Brosnan, Thomas M., Hammerman, Diane A., Norris, Theresa M.

“…The history of wastewater discharges to the Hudson River watershed from Troy, New York, to the New York City Harbor was traced from 1900 to 2000. The…”
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Comparison of nutrient input loading and riverine export fluxes in large watersheds by Hetling, Leo J., Jaworski, Norbert A., Garretson, David J.

“…An input-output mass balance watershed model was developed and tested on ten large benchmark watersheds in the northeastern United States. Inputs of chlorides,…”
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Comparison of nutrient input loading and riverine export fluxes in large watersheds by Hetling, Leo J., Jaworski, Norbert A., Garretson, David J.

“…An input-output mass balance watershed model was developed and tested on ten large benchmark watersheds in the northeastern United States. Inputs of chlorides,…”
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Sources of nitrate in rivers draining sixteen watersheds in the northeastern U.S.: Isotopic constraints: The nitrogen cycle at regional to global scales by MAYER, Bernhard, BOYER, Elizabeth W, VAN DAM, Douwe, HETLING, Leo J, NOSAL, Miloslav, PAUSTIAN, Keith, GOODALE, Christine, JAWORSKI, Norbert A, VAN BREEMEN, Nico, HOWARTH, Robert W, SEITZINGER, Sybil, BILLEN, Gilles, LAJTHA, Kate, NADELHOFFER, Knute

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Volatile Sludge Accumulation in Activated Sludge Plants by Washington, Donald R., Hetling, Leo J.

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The problem of PCBs in the Hudson River system by Horn, E G, Hetling, L J, Tofflemire, T J

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Sources of Nutrients in Canadarago Lake by Hetling, Leo J., Sykes, Robert M.

“…A study of the nutrient balance of Canadarago Lake in east-central New York State revealed that approximately 52 percent of the phosphorus input came from land…”
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Treatment of a Combined Wastewater by the Low-Lime Process by Tofflemire, T. J., Hetling, Leo J.

“…The low-lime process, involving addition of lime to pH 10, settling, recarbonation to pH 8.5, and dewatering and disposal of fresh sludge, seems applicable to…”
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Grant Aid for Plant Operations: An Evaluation by Hetling, Leo J., Carcich, Italo G., Mack, Peter J., Klimek, John C.

“…A grant aid program initiated in New York State is evaluated. Under legislation passed in 1964, the law provided that the state would reimburse municipalities…”
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Nitrogen removal by catalyst-aided breakpoint chlorination by Stasiuk, W.N. Jr, Hetling, L.J, Shuster, W.W

“…A laboratory study was conducted to investigate the fate of ammonia nitrogen when chloramines are reacted with activated carbon. Activated carbon catalyzed…”
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Pressure Sewer Demonstration Project by Carcich, Italo G., Farrell, R. Paul, Hetling, Leo J.

“…The New York State Department of Environmental Conservation is evaluating the concept of pressure sewers to serve areas where gravity flow is uneconomic or…”
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Correlation of percent viabilities by Sathyanarayana Rao, S., Hetling, Leo J., Washington, Donald R.

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