Physical and Chemical Analysis Physical and Chemical Analysis of of

Mr. D. Ingles PondMr. D. Ingles Pond

Presented By: Nick Mcconnell, Daryl Lescanec, Presented By: Nick Mcconnell, Daryl Lescanec, Kristin Beck, Jordan Messner, and Matt JeffressKristin Beck, Jordan Messner, and Matt Jeffress

OverviewOverview ObjectivesObjectives

Methods and materials Methods and materials

ResultsResults

Bathymetric map Bathymetric map

Conclusion and recommendations Conclusion and recommendations

Objectives Objectives To provide Mr. Don Ingles with a detailed To provide Mr. Don Ingles with a detailed

evaluation of chemical and physical evaluation of chemical and physical parameters affecting his pond. parameters affecting his pond.

Calculate:Calculate: Water volumeWater volume Sediment load Sediment load Maximum and average depthMaximum and average depth Secchi depthSecchi depth Oxygen profilesOxygen profiles TemperatureTemperature pHpH LightLight Conductivity Conductivity Total phosphorus Total phosphorus Chlorophyll a Chlorophyll a

Create a bathymetric map using GPS/ GIS Create a bathymetric map using GPS/ GIS technology technology

Methods and MaterialsMethods and Materials

Results Results TemperatureTemperature

Dissolved OxygenDissolved Oxygen

pHpH

ConductivityConductivity

Chlorophyll a and Total phosphorusChlorophyll a and Total phosphorus

Bathymetric map Bathymetric map

TemperatureTemperature

A

0

0.5

1

1.5

2

2.5

3

0 2 4 6 8 10 12

Tem perature (°C)

Dep

th (

m)

Figure 1. Temperature profile of D. Ingles pond 31 October 2007 Kenndrick, Idaho, USA

Dissolved Oxygen Dissolved Oxygen

D

0

0.5

1

1.5

2

2.5

3

0 5 10 15 20

DO (m g/L)

Dep

th (

m)

Figure 1. DO profile of D. Ingles pond 31 October 2007 Kenndrick, Idaho, USA

pHpH

B

0

0.5

1

1.5

2

2.5

3

7.6 7.8 8 8.2 8.4 8.6

pH

Dep

th (

m)

Figure 1. pH profile of D. Ingles pond 31 October 2007 Kenndrick, Idaho, USA

ConductivityConductivityC

0

0.5

1

1.5

2

2.5

3

10 20 30 40 50 60 70 80

Conductivity (µs)

Dep

th (

m)

Figure 1. Conductivity profile of D. Ingles pond 31 October 2007 Kenndrick, Idaho, USA

Chlorophyll a and Total Chlorophyll a and Total PhosphorusPhosphorus

Figure 1. Chlorophyll a and Total phosphorus profile of D. Ingles pond 31 October 2007 Kenndrick, Idaho, USA

0

0.5

1

1.5

2

2.5

3

0.00 50.00 100.00 150.00 200.00 250.00

Chl a and TP (µg/L)D

epth

(m

)

Chl a

TP

LightLight

0

0.5

1

1.5

2

0 200 400 600 800

Light (µm ol/m 2/s)

Dep

th (

m)

Figure 1. Light profile of D. Ingles pond 31 October 2007 Kenndrick, Idaho, USA

Bathymetric MapBathymetric Map

Area: 12406.40 m2

Volume of Pond: 13276.66 m3

Bank Full Volume: 22753.06 m3

Volume w/ Sediment: 14448.21 m3

Sediment VolumeSediment Volume

Rate of Sedimentation:

8.58 mm per year

Discussion Discussion Monomictic or Dimictic ?Monomictic or Dimictic ?

Isothermal conditions at time of surveyIsothermal conditions at time of survey Problems associatedProblems associated

Seasonal fluctuationsSeasonal fluctuations Daily fluctuations due to P/S and respiration (night Daily fluctuations due to P/S and respiration (night

vs. day)vs. day) The pond as a fisheryThe pond as a fishery

Consequences of shallow depthConsequences of shallow depth AerationAeration Lack of macrophytesLack of macrophytes Seasonal temperature tolerance of fish speciesSeasonal temperature tolerance of fish species

Very warm summersVery warm summers Freezing in winterFreezing in winter

SuggestionsSuggestions

More suitable fish speciesMore suitable fish species Habitat improvementHabitat improvement Changes in aerationChanges in aeration etcetc

QuestionsQuestions

??