Northern Inlet Oglio Channel Inlet parameters Oglio inflow – 0.174 ppt; 19 degC, 15 m 3 /s. –...

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Transcript of Northern Inlet Oglio Channel Inlet parameters Oglio inflow – 0.174 ppt; 19 degC, 15 m 3 /s. –...

Page 1: Northern Inlet Oglio Channel Inlet parameters Oglio inflow – 0.174 ppt; 19 degC, 15 m 3 /s. – Diurnal oscillation in salinity, temperature and flow rate.
Page 2: Northern Inlet Oglio Channel Inlet parameters Oglio inflow – 0.174 ppt; 19 degC, 15 m 3 /s. – Diurnal oscillation in salinity, temperature and flow rate.

Northern Inlet

Oglio

Channel

Page 3: Northern Inlet Oglio Channel Inlet parameters Oglio inflow – 0.174 ppt; 19 degC, 15 m 3 /s. – Diurnal oscillation in salinity, temperature and flow rate.

Inlet parameters

• Oglio inflow– 0.174 ppt; 19 degC, 15 m3/s.– Diurnal oscillation in salinity, temperature and

flow rate.

• Channel inflow– 0.056 ppt; 14 degC, 48 m3/s.– Diverted 20km upstream to hydropower station.

Page 4: Northern Inlet Oglio Channel Inlet parameters Oglio inflow – 0.174 ppt; 19 degC, 15 m 3 /s. – Diurnal oscillation in salinity, temperature and flow rate.

Transect at inletTemperature Microstructure Salinity

Dissolved Oxygen

Page 5: Northern Inlet Oglio Channel Inlet parameters Oglio inflow – 0.174 ppt; 19 degC, 15 m 3 /s. – Diurnal oscillation in salinity, temperature and flow rate.

Transects

• Some transects, upto 3km ofshore, clearly show the low salinity inlet signal.

Page 6: Northern Inlet Oglio Channel Inlet parameters Oglio inflow – 0.174 ppt; 19 degC, 15 m 3 /s. – Diurnal oscillation in salinity, temperature and flow rate.

Drogue Release

• Drogue trajectory matches well with low salinity

• Velocity comparison with shear waves.

• Oglio inflow drogues travelled east.

Page 7: Northern Inlet Oglio Channel Inlet parameters Oglio inflow – 0.174 ppt; 19 degC, 15 m 3 /s. – Diurnal oscillation in salinity, temperature and flow rate.

Future work

• Higher resolution transects.• Compensate salinity for Iseo’s ionic

composition.