physical and chemical parameters of jones pond

David BurbankReid Camp

Will LangfordDonella Miller

Physical and Chemical Parameters of Jones Pond

Objectives

Methods

Results

Discussion

Recommendations

Outline

Construct bathymetric mapWater VolumeSediment VolumeDepths

Parameter ProfilesTemperatureDissolved OxygenLightConductivity

Total PhosphorusChlorophyll a

Objectives

Temperature, Conductivity, D.O.YSI 85½ meter intervals

IrradiancePhotometer½ meter intervals1% surface irradiance

GPS/Depth Finder/GISNavigate pond in gridBathymetric Map

Methods

www.rickly.com

misclab.umeoce.maine.edu

Total PhosphorusVan Dorn SamplerTriplicate 20ml Samples every 1 meterP-Tubes (Potassium Persulphate)Analysis

Chlorophyll aTriplicate Sample every 1 meterIntegrated Analysis

Methods

www.superstock.com

www.wildco.com

Profiles

Results

320.0 330.0 340.00.0

0.5

1.0

1.5

2.0

2.5

3.0

Cond. (µS)

Conductivity (µS)

Dep

th (

m)

5.0 6.0 7.00.0

0.5

1.0

1.5

2.0

2.5

3.0

Temp (⁰C)

Temperature ºCD

epth

(m

)

Profiles Continued

Results

3.00 4.00 5.000.00.51.01.52.02.53.0

O2 (mg/L)

O2 (mg/L)

Dep

th (

m)

0 100 200 300 4000.00.51.01.52.02.53.0

Irradiance (µmol/m2/s)

Irradiance (µmol/m2/s)D

epth

(m

)

Total Phosphorus/Chlorophyll a

Results

surface

1 20.002.004.006.008.00

10.0012.00

Total Phosphorus

Depth (m)

Tota

l Pho

spho

rus

(μg/

L)

inte-grated

Surface 1m 2m0

10

20

30

40

50

Chlorophyll a

Depth (m)Ch

loro

phyl

l a µ

g/L

Pond Area670.9 m2

Water Volume1315.04 m3

ResultsDepth

Average= .51 mMax= 2.80 m

High Conductivity Spring Valley - <70 Jones Pond - >326

Temperature Profile Isothermic

No ThermoclineLow D.O.

Clinograde ProfileT.P.

Increases With Depth Within Eutrophic Limits

Chlorophyll a Even Dispersal Within Eutrophic Limits

Discussion

Sample Again at Different TimesDetermine if actually eutrophicMixing events

Low D.O.AeratorsAquatic Plants (P/S)

Fishery Capable?Winter Kill – Low D.O. + FreezeD.O. Raised and Monitored

Recommendations

www.keetonaqua.com

tinyfarmblog.com

Questions?

Thank you!