Prediction of Total Phosphorus Concentrations, Chlorophyll <i>a</i>, and Secchi Depths in Natural and Artificial Lakes

Canfield, Daniel E.; Bachmann, Roger W.

doi:10.1139/f81-058

Cited by 287 publications

(171 citation statements)

References 0 publications

Supporting

Mentioning

157

Contrasting

Unclassified

Order By: Relevance

“…These steady-state models were the first to use the mass balance approach to lakes (Chapra 1975). Several modifications were made to these initial models, and the parameters were estimated by regression on multi-lake datasets (e.g., Dillon and Rigler 1974;Kirchner and Dillon 1975;Jones and Bachmann 1976;Larsen and Mercier 1976;Reckhow 1979;Canfield and Bachmann 1981;and others;see e.g., Reckhow and Chapra (1983) and Harper (1992) for overviews). These models allow the calculations of average nutrient and chlorophyll concentrations (and sometimes transparency) given P and N loading and some basic lake features, of which mean depth, and retention time have proven to be the most important.…”

Section: Static Modelsmentioning

confidence: 99%

Challenges and opportunities for integrating lake ecosystem modelling approaches

et al. 2010

View full text Add to dashboard Cite

A large number and wide variety of lake ecosystem models have been developed and published during the past four decades. We identify two challenges for making further progress in this field. One such challenge is to avoid developing more models largely following the concept of others ('reinventing the wheel'). The other challenge is to avoid focusing on only one type of model, while ignoring new and diverse approaches that have become available ('having tunnel vision'). In this paper, we aim at improving the awareness of existing models and knowledge of concurrent approaches in lake ecosystem modelling, without covering all possible model tools and avenues. First, we present a broad variety of modelling approaches. To illustrate these approaches, we give brief descriptions of rather arbitrarily selected sets of specific models. We deal with static models (steady state and regression models), complex dynamic models (CAEDYM, CE-QUAL-W2, Delft 3D-ECO, LakeMab, LakeWeb, MyLake, PCLake, PROTECH, SALMO), structurally dynamic models and minimal dynamic models. We also discuss a group of approaches that could all be classified as individual based: superindividual models (Piscator, Charisma), physiologically structured models, stage-structured models and traitbased models. We briefly mention genetic algorithms, neural networks, Kalman filters and fuzzy logic. Thereafter, we zoom in, as an in-depth example, on the multi-decadal development and application of the lake ecosystem model PCLake and related models (PCLake Metamodel, Lake Shira Model, IPH-TRIM3D-PCLake). In the discussion, we argue that while the historical development of each approach and model is understandable given its 'leading principle', there are many opportunities for combining approaches. We take the point of view that a single 'right' approach does not exist and should not be strived for. Instead, multiple modelling approaches, applied concurrently to a given problem, can help develop an integrative view on the functioning of lake ecosystems. We end with a set of specific recommendations that may be of help in the further development of lake ecosystem models.

show abstract

Section: Static Modelsmentioning

confidence: 99%

Challenges and opportunities for integrating lake ecosystem modelling approaches

et al. 2010

View full text Add to dashboard Cite

show abstract

“…Correlations between algal productivity and nutrients are well established for lakes and reservoirs (Carlson 1977, Dillon and Rigler 1974, Canfield and Bachman 1981. However, these relationships are less well defined for flowing waters.…”

Section: Challenges For Statesmentioning

confidence: 99%

Development of Regional Nutrient Criteria and Implications for States and the Regulated Community

Palmstrom¹

2005

Lake and Reservoir Management

View full text Add to dashboard Cite

Palmstrom, N. 2005. Development of regional nutrient criteria and implications for states and the regulated community. Lake and Reserv. Manage. 21(2):174-185.Nutrient enrichment is a major threat to many of the nation's surface waters. The U.S. Environmental Protection Agency (EPA) has made development of nutrient criteria to protect the uses and functions of these waters a national priority (EPA 1998). Establishment of these nutrient criteria must take into account regional differences and waterbody characteristics. EPA has published related guidance documents for development of criteria, as well as ecoregional nutrient criteria documents for lakes and reservoirs and rivers and streams. Work is underway in states across the United States to gather data and develop regional nutrient criteria. The development of a database for EPA Region 3 to support regional nutrient criteria development is discussed, and use of the database for criteria development is demonstrated. Potential implications for states, River Basin Commissions (RBCs), tribes and wastewater dischargers are also addressed.

show abstract

“…The empirical model network contained in BATHTUB, a computer program developed for predicting eutrophication in U.S. Army Corps of Engineer reservoirs (Walker 1987), was adapted for application to Lake Pepin using MPCA data from 1978, 1979, 1980, 1988, 1990, and 1991. In contrast to empirical eutrophication models originally developed for northern natural lakes (e.g., Dillon andRigler 1974, Canfield andBachmann 1981) the BATHTUB model network accounts for controlling factors other than phosphorus (Fig. 3).…”

Section: Model Selectionmentioning

confidence: 98%

Establishing a ChlorophyllaGoal for a Run-of-the-river Reservoir

Heiskary

Walker²

1995

Lake and Reservoir Management

View full text Add to dashboard Cite

Heiskary, Steven A and William W. Walker,Jr. 1995. Establishing a chlorophyll agoal for a run-of-the-river reservoir. Ulke and Reserv. Manage. 11(1):67-76.Ulke Pepin, a 100 kin! run-of-the-river reservoir, is located on the Mississippi River about 80 kin downstream of the Twin Cities metropolitan area on the border between Wisconsin and Minnesota. A major inter -agencystudyofUlke Pepin and the Mississippi River has been underway since 1990 for the purposes of determining the impacts of the eftluent from the Metropolitan Waste Control Commission's Metropolitan Wastewater Treatment Facility on Ulke Pepin and to predict the benefits of reducing eftluent phosphorus levels to 1 mg L-i or lower. Severe nuisance algal blooms and fish kills during the low flows of 1988 prompted this study.Understanding the reservoir limnology and factors contributing to user perception of "nuisance algal blooms" (in terms of chlorophyll a concentration or phytoplankton species composition), are important steps in developing a chlorophyll a goal for Ulke Pepin. Based upon analyses of chlorophyll a data, phytoplankton compOSition, and user perception information, a summer mean chlorophyll a concentration of 30 mg m-' is recommended as a water quality goal for Ulke Pepin. Nutrient-mass balance modeling suggests that a dramatic reduction in the inflow phosphorus concentration and in the overall in-lake phosphorus concentration (including internal loading) will be required to achieve this goal during low-flow summers.KeyWords: phosphorus, reservoir, goal setting, chlorophyll a, hydraulic residence time, user perception.Lake Pepin is a run-of-the-river reservoir on the Mississippi River 80 kIn downstream of the Twin Cities metropolitan area, between Wisconsin and Minnesota (Fig. 1). An inter-agency study of Lake Pepin and the Mississippi River has been underway since 1990 in response to water quality problems. The purpose of the study is to determine impacts of effluent from the Metropolitan Waste Control Commission (MWCC) Wastewater Treatment Facility (Metro WWTF) and predict benefits of reducing phosphorus to 1 mg U of P or less. The Metro WWTF discharges about 250 MGD and is the largest WWTF in Minnesota. Total phosphorus concentrations in the effiuentare generally 2-3 mgLl .Minnesota's "phosphorus rule" requires dischargers to treat effluent to 1 mg P or lower if discharge is direct to a lake or reservoir (MN Statutes, 1994). When discharge is not direct, as in the case of Lake Pepin, it is generally necessary to assess whether it fl7 affects lakes or reservoirs downstream. In this paper specific objectives for examining the water quality of this reservoir and establishing a chlorophyll a (chi a) goal include:1. Develop/adapt empirical models for predicting nuisance algal blooms from in-lake phosphorus and other controlling factors, and link these models to relations between phosphorus loading (external and internal) and in-lake phosphorus concentrations. For this task historic and current data were used to develop relations betwe...

show abstract

Prediction of Total Phosphorus Concentrations, Chlorophyll a, and Secchi Depths in Natural and Artificial Lakes

Cited by 287 publications

References 0 publications

Challenges and opportunities for integrating lake ecosystem modelling approaches

Challenges and opportunities for integrating lake ecosystem modelling approaches

Development of Regional Nutrient Criteria and Implications for States and the Regulated Community

Establishing a ChlorophyllaGoal for a Run-of-the-river Reservoir

Contact Info

Product

Resources

About