💧↔🌊

#freshwater #saltwater #estuary #river mouth #brackish #salinity gradient

💧🧂🌊

#brackish water #freshwater saltwater mix #salinity gradient #river water #sea water #estuary chemistry

💧🧂↔️

#estuary #brackish water #freshwater saltwater mix #salinity gradient #river mouth ecology

💧(🏞️+🌊)🧂

#brackish water #freshwater saltwater mix #salinity gradient #estuarine water #mixed water body

💧↔️🧂

#brackish water #estuary environment #freshwater saltwater mix #salinity gradient #river delta transition #water mixing zone