noaa-fisheries-nwfsc-data-socrata/srkw-acoustic-response-call-source-levels-by-call-4jyb-zamm

  • anthropogenic noise
  • southern resident killer whale
  • vessels

Srkw Acoustic Response Call Source Levels by Call Type and Noise Levels

Srkw Acoustic Response Call Source Levels by Call Type and Noise Levels

InPort Dataset ID: 20600

InPort Entity ID: 35520

This table contains results from data collected in 2007-2009 and presented in Holt et al. 2009 JASA-EL and Holt et al. 2011 JASA.

Columns

NameSocrata field nameColumn name in sgr mountData typeDescription
Noise Level in dB RMS, Gain Adjustednoise_level_db_rms_gain_adjnoise_level_db_rms_gain_adjNumberdecibel level of background noise measured just prior to the call, adjusted for preamplifier gain setting
CommentscommentscommentsTextdata comments
Signal End (Sec)signal_endsignal_endNumbercall end time in the wave file
Call Typecall_typecall_typeTextFord 1987 catalog discrete call type associated with noise level
Signal Duration (Sec)signal_durationsignal_durationNumbercall duration
Signal Start (Sec)signal_startsignal_startNumbercall start time in the wave file
Noise Level in Pa RMSnoise_level_pa_rmsnoise_level_pa_rmsNumberacoustic pressure of background noise measured just prior to the call
Noise Level in dB RMSnoise_level_db_rmsnoise_level_db_rmsNumberdecibel level of background noise measured just prior to the call
Call Received Level (S+N) in dB RMS, Gain Adjustedcall_rl_s_pls_n_db_rms_adjcall_rl_s_pls_n_db_rms_adjNumberreceived decibel level of the call plus noise adjusted for preamplifier gain setting
Call Received Level (S+N) in Pa RMScall_rl_s_plus_n_pa_rmscall_rl_s_plus_n_pa_rmsNumberreceived acoustic pressure of the call plus noise
Localized Range (M)localized_range_mlocalized_range_mNumberrange the call was localized
Call Received Level (S+N) in dB RMScall_rl_s_plus_n_db_rmscall_rl_s_plus_n_db_rmsNumberreceived decibel level of the call plus noise
Preamp Gainpreamp_gainpreamp_gainNumberpreamplifier gain setting
Pod IDpod_idpod_idTextthe SRKW pod observed near the research vessel
Wave Filewave_filewave_fileTextthe file name, coded species-yearmonthday-hourminutesecond
Call Received Level in dB RMS (Noise Subtracted)call_rl_db_rms_noise_subcall_rl_db_rms_noise_subNumbernoise subtracted received decibel level of the call
YearyearyearNumberyear data were collected
Source Level (20 Log R)source_level_20_log_rsource_level_20_log_rNumbercalculated source level of the call assuming spherical spreading
GpsgpsgpsTextlatitude (north).longitude (west) were acoustic data were collected

Upstream Metadata