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Next steps in Kd regressions for water clarity assessments
David Parrish (VIMS, CBNERR)
2003 Cruise Track - YRKPH
76o30’
37o15’
York River
Mobjack Bay
Kd Regression
• For Segments MPNOH, MPNTF, CHKOH, JMSPH, JMSOH, JMSMH, JMSTF1, JMSTF2, APPTF:
• For Segments LYNPH, PMKOH, PMKTF, YRKPH, YRKMH, PIAMH:
CHSATUKd ´+´-´+= 000274598.056160407.20.29562072192674757.1 5.1
CHSATUKd ´+´+´= 380.02717232 820.01767009310.31934753 + 360.52757935 5.1
CHSATUKd ´+´+´= 0.027 0.0180.32 +0.53 5.1
KzePLW -´=100
Kd Threshold
PLLZones
0-1m 1-2m
0.22 1.51 0.76
0.13 2.04 1.02
Polyhaline – Mesohaline: 22% PLL Oligohaline - Tidal Fresh: 13% PLL
Water Clarity Assessment Results
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