Dissolved oxygen in Maine estuaries and embayments

1996 results and analyses
  • 72 Pages
  • 0.50 MB
  • English
Maine Dept. of Environmental Protection , [Augusta, ME
Water -- Dissolved oxygen -- Maine., Estuaries -- Maine., Bays -- M



Other titlesFinal report
Statementsubmitted by John R. Kelly.
ContributionsMaine. Dept. of Environmental Protection., Wells National Estuarine Research Reserve., Casco Bay Estuary Project (Me.)
LC ClassificationsTD224.M2 K43 1997
The Physical Object
Paginationiii, 18, [72] p. :
ID Numbers
Open LibraryOL441497M
LC Control Number98153059

By Michele Dionne, Published on 01/01/ Recommended Citation. Dionne, Michele, "Nutrients and Dissolved Oxygen in Maine Estuaries and Embayments, Final Data Report to New England Interstate Water Pollution Control Commission (NEIWPCC)" ().Author: Michele Dionne.

Dionne, Michele, "Nutrients and Dissolved Oxygen in Maine Estuaries and Embayments, Final Data Report to New England Interstate Water Pollution Control Commission (NEIWPCC)" ().

Publications. Sarah Gladu Dissolved oxygen in Maine estuaries and embayments book River Association Damariscotta, ME The Maine Coastal Observing Alliance (MCOA) consists of nine coastal citizen monitoring groups who collect water samples and analyze pH, temperature, dissolved oxygen, nutrients (total nitrogen), salinity, and turbidity in eight coastal estuaries and embayments between Casco Bay and Penobscot Bay.

This coastwide survey. Buy Dissolved oxygen in Maine estuaries and embayments: results and analyses by Kelly, John R (ISBN:) from Amazon's Book Store.

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Everyday low prices and free delivery on eligible : John R Kelly. Dissolved oxygen in Maine estuaries and embayments: results and analyses [John R Kelly] on *FREE* shipping on qualifying : John R Kelly.

National ecosystem health thresholds for dissolved oxygen (DO) concentrations range from 2 mg/L to 5 mg/L, depending on the region or state. 37 The threshold of 5 mg/L is considered protective of all organisms.

Dissolved oxygen levels in Great Bay at the central datasonde and in Portsmouth Harbor at the Coastal Marine Laboratory remain consistently above 5 mg/L. Buy Final report on dissolved oxygen levels in select Maine estuaries and embayments: Summer by Kelly, John R (ISBN:) from Amazon's Book Store.

Author: John R Kelly. Created Date: 4/10/ PM. 1 Introduction. Hypoxia occurs when oxygen drawdown exceeds supply, leading to low levels of dissolved oxygen (DO). Hypoxia (DOestuaries and embayments (Officer et al., ; Parker‐Stetter & Horne, The purpose of the workshop was to review issues related to the management of nitrogen contamination and its impacts in the Gulf of Maine and the surrounding estuaries and embayments.

Eutrophication Theme Paper. One theme paper has been identified for the State of the Gulf of Maine Report: Eutrophication (PDF, mb) Actions and Responses.

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Title: Nutrients and Dissolved Oxygen in Maine Estuaries and Embayments, Final Data Report to New England Interstate Water Pollution Control Commission (NEIWPCC) Authors: Michele Dionne, Wells NERR, Wells National Estuarine Research Reserve Locations: Gulf of Maine, Maine, Maquoit Bay Date: Keywords: water quality, pollution, nonpoint source, temperature, salinity.

Massachusetts Bay National Estuaries Program Town of Newbury Planning Board Trent University University of Georgia • WhoWho s’s collecting dissolved oxygen data in collecting dissolved oxygen data in the Gulf of Maine using continuous sondes.

9 available locations. GB – depth embayments of interest). Dissolved Oxygen A “Dissolved Oxygen in Maine Estuaries and Embayments,”Casco Bay Unknown Data Estuary Project, Maine Department of Environmental Protection. Bacterial Contamination B ↑ Generalized for large area “Growing Area WQ Triennial Report of ,”Maine Department of Marine Resources.

Estuaries are classified on the basis of their geomorphology or the variation in salinity observed within them. The latter classification (Figure 1) is dependent on the physics of estuarine mixing and example, the “partially mixed” estuary is a relatively common type of estuary and is characterized by fresher, river-derived water overlying the saltier, denser water derived.

Dissolved Oxygen No Problem Submerged Aquatic Moderate High Vegetation Nuisance and Toxic High Blooms Future nutrient pressures decrease Index HIGH HIGH IMPROVE LOW ASSETS: BAD Chlorophyll a HABs Macroalgae Population (X ) Nutrient loading (tN y-1) Mean depth (m) Mean tidal range (m) The Estuary Book: A guide to promoting understanding and regional management of Maine's estuaries and embayments.

on *FREE* shipping on qualifying offers. The Estuary Book: A guide to promoting understanding and regional management of Maine's estuaries and cturer: Maine Coastal Program. How dissolved oxygen enters water. Dissolved oxygen enters water through the air or as a plant byproduct.

From the air, oxygen can slowly diffuse across the water’s surface from the surrounding atmosphere, or be mixed in quickly through aeration, whether natural or man-made aeration of water can be caused by wind (creating waves), rapids, waterfalls, ground water discharge or other.

The USGS has been measuring water for decades. Some measurements, such as temperature, pH, and specific conductance are taken almost every time water is sampled and investigated, no matter where in the U.S. the water is being studied. Another common measurement often taken is dissolved oxygen (DO), which is a measure of how much oxygen is dissolved in the water.

USGS Water-Quality Sampling of Flood Waters > - Hurricane Sandy. USGS Water-Quality Sampling after Hurricane Sandy, October Update September Using Science to Strengthen our Nation's Resilience to Tomorrow's Challenges—Understanding and Preparing for Coastal Impacts. Update July Meeting the Science Needs of the Nation in the Wake of Hurricane Sandy — A USGS.

ERIC ED The Estuary Book: A Guide to Promoting Understanding and Regional Management of Maine's Estuaries and Embayments. Item Preview. Dissolved oxygen (DO) is a relative measure of the amount of oxygen (O 2) dissolved in water. Oxygen gets into the water by diffusion from the atmosphere, aeration of the water as it tumbles over rocks and waterfalls, and as a product of photosynthesis.

A dissolved oxygen sensor can be used in the lab or in the field.

Description Dissolved oxygen in Maine estuaries and embayments FB2

DO sensors can be designed for biochemical oxygen demand (BOD) tests, spot sampling or long-term monitoring applications. A dissolved oxygen meter, water quality sonde or data logging system can be used to record measurement data taken with a DO sensor.

Low dissolved oxygen (oxygen) or hypoxia can occur naturally where there is low water flow or limited water–atmosphere gas exchange and can also be exacerbated by vertical stratification of the water column because mixing will be inhibited (Hassell et al. Several variables influenced by climate change, including reduced.

Dissolved oxygen (DO) and salinity levels in the James, York, and Rappahannock estuaries were monitored for approximately two months (June Aug ) following Tropical Storm Agnes.

DO depressions developed more rapidly and were more severe in the deep waters of the York and Rappahannock than in the James. Depressions that developed immediately after the storm were. dissolved oxygen in the Bay comes from water flowing into the estuary from streams, rivers, and the Atlantic Ocean.

trigger fish kills in the smaller creeks and embayments of the Bay. Like the persistent anoxic zone, these events are Estuaries Maine Business School; UMaine Online; University of Maine at Machias; Resources.

Majors and Programs; Undergraduate Catalog; Graduate Catalog; Study Abroad; Early College; Keep Learning; Fogler Library; Academic Calendar; Highlights. First-Year Student Success Initiative; Navigate; Think Fish in estuaries and rivers can be divided into three types: (also known as 'marine embayments').

Natural things which affect fish in waterways Salinity, temperature, dissolved oxygen, turbidity, and available food all affect how fish live in a waterway. dissolved oxygen, and water clarity) variables, but highlights the importance of N as the limiting nutrient The development of nutrient criteria for Maine‟s estuaries and coastal waters has taken a back seat until recently.

This has also been the case on the long residence time embayments like Quahog Bay and the New Meadows River. The distribution of dissolved oxygen saturation (%) and concentration (mg/l) in each water body is shown graphically in Fig.

2 and numerically in Table the 95 water bodies surveyed, 85 (%), had normal oxygen conditions with values ranging between and mg/l O 2, with the remaining ten water bodies (%) all falling into the ‘oxygen deficiency’ category with values.

Dissolved oxygen (DO) is the amount of oxygen that is present in water. It is an important measure of water quality as it indicates a water body's ability to support aquatic life. Water bodies receive oxygen from the atmosphere and from aquatic plants. In addition to very low Ω, we also observed lower dissolved oxygen at inner harbor stations with concentrations as low as μmol kg −1 and % saturation, suggesting these environments experience both acidification and dissolved oxygen stresses.The Gulf of Maine and its watershed encompass more thankm2 and is home to over million Canadians and Americans.

Despite its long-standing importance to fisheries and natural resources and current interest in exploration of wind and tide as renewable energy sources, the ecosystem as a whole is not well understood.

Acknowledging the need to look at the Gulf of Maine as a region-wide.ii Nutrient Criteria—Estuarine and Coastal Waters Disclaimer This manual provides technical guidance to States, Indian Tribes, and other authorized jurisdictions to establish water quality criteria and standards under the Clean Water Act (CWA), to protect aquatic life.