MAIA Core Indicators
This page lists proposed core measurements for MAIA Estuaries. (EMAP protocol unless otherwise specified).
- Location (latitude and longitude)
- Time and Date of Sampling
- Depth of Water Column
- Water Column Measurements
- Physical measurements ( At surface and bottom; water column profiles at some stations)
- Temperature
- Salinity
- Dissolved oxygen
- pH
- Conductivity
- Water Clarity (Secchi disk or turbidity) (measured once per station)
- Water Column Chemistry (Chesapeake Bay Program Protocol) (surface and bottom)
- Dissolved silica (SI)
- Dissolved ammonia (NH4)
- Dissolved nitrite and nitrate (NO23)
- Dissolved nitrite (NO2)
- Particulate organic nitrogen (PON)
- Total dissolved nitrogen (TDN)
- Total dissolved phosphorous (TDP)
- Dissolved orthophosphate (PO4F)
- Total particulate phosphorous (PHOSP)
- Particulate organic carbon (POC)
- Total suspended solids (TSS)
- Chlorophyll a (CHLA)
- Pheaophytin (PHEA)
- CBP derives metrics used in their program as follows:
- TP = TDP + PHOSP
- TN = TDN + PON
- DIN = NO23 + NH4
- DIP = PO4F
- CBP derives metrics used in their program as follows:
- Sediment Measurements
- Benthic macroinvertebrates
- Species composition and enumeration
- Biomass
- Silt-clay content (%silt/clay)
- Observational SAV (in conjunction with benthic gap)
- Sediment Chemistry (first year only)
- NOAA NS&T contaminants (see table below)
- Acid volatile sulfides (AVS) and Simultaneously extractable metals (SEM)
- Silt-clay content (%silt/clay)
- Total organic carbon
- Sediment Bioassay (first year only)
- Pore Water Concentrations of Ammonia and Hydrogen Sulfide
- Microtox
- Ampelisca
- On a subsample of stations (MD initiative):
- Leptocheirus plumulosis
- Cyprinodon variegatus
- Benthic macroinvertebrates
- Fish Measurements (second year only)
- Fish tissue contaminants
- Fish community
- External pathology
- Macrophage aggregates
- Organic contaminants, and major trace elements determined as part of the NOAA NS&T Program.
- Polycyclic aromatic hydrocarbons
- Low molecular weight PAHs
- (2- and 3-ring structures)
- 1-Methyl naphthalene
- 1-Methyl phenanthrene
- 2-Methyl naphthalene
- 2,6-Dimethyl naphthalene
- 1,6,7-Trimethylnaphthelene
- Acenaphthene
- Acenaphthylene
- Anthracene
- Biphenyl
- Fluorene
- Naphthalene
- Phenanthrene
- High molecular weight PAHs
- (4-, 5-, and 6-rings)
- Benzo[a]anthracene
- Benzo[a]pyrene
- Benzo[b]flouranthene
- Benzo[e]pyrene
- Benzo[ghi]perylene
- Benzo[k]flouranthene
- Chrysene
- Dibenz{a,h]anthracene
- Flouranthene
- Indeno[1,2,3-cd]pyrene
- Perylene
- Pyrene Chlorinated Pesticides
- 2,4'-DDD
- 2,4'-DDE
- 2,4'-DDT
- 4,4'-DDD
- 4,4'-DDE
- 4,4'-DDT
- Aldrin
- beta-Hexachlorohexane
- Chlorpyrifos
- cis-Chlordane
- cis-Nonachlor
- delta-Hexachlorohexane
- Dieldrin
- Endosulfan I
- Endosulfan II
- Endrin
- alpha-Hexachlorohexane
- gamma-Hexachlorohexane (lindane)
- Heptachlor
- Heptachlor epoxide
- Hexachlorobenzene
- Mirex
- Oxychlordane
- trans-Chlordane
- trans-Nonachlor
- Polychlorinated Biphenyl congeners (UPAC numbering system)
- PCB 8, PCB 18, PCB 28, PCB 44, PCB 52, PCB 66, PCB 101, PCB 105, PCB 118/108/149, PCB 128, PCB 138, PCB 153, PCB 170, PCB 180, PCB 187/182/159, PCB 195, PCB 206, PCB 209
- Major and trace elements
- Al, Si, Cr, Mn, Fe, Ni, Cu, Zn, As, Se, Sb, Ag, Cd, Hg, Tl, Pb
- Organotins
- Monobutyltin3+, Dibutyltin2+, Tributyltin, Tetrabutyltin
- Physical measurements ( At surface and bottom; water column profiles at some stations)
June 16, 1997