USGS-CMG time-series data: MBAY_LT - 683 - 6832v-a_d2

USGS-CMG time-series data from the Long-term observations in Massachusetts Bay; Site A-Boston Harbor project, mooring 683 and package 6832v-a_d2. Measurements of currents and other oceanographic properties were made to assess the impact of sewage discharge from the proposed outfall site.
_NCProperties=version=1|netcdflibversion=4.4.1.1|hdf5libversion=1.8.17
BASS_norm_factor=0.0293
BASS_zero_offset_A=9.62
BASS_zero_offset_B=-6.49
BASS_zero_offset_C=-0.01
BASS_zero_offset_D=38.46
cdm_data_type=TimeSeries
cdm_timeseries_variables=latitude, longitude, altitude, feature_type_instance
COMPOSITE=1.0
contributor_name=B. Butman
contributor_role=principalInvestigator
Conventions=CF-1.6,ACDD-1.3, COARDS
CREATION_DATE=05-Jan-2009 11:52:35
DATA_CMNT=Boston Buoy BASS MIDAS
DATA_ORIGIN=USGS WHFC Sed Trans Grp
date_metadata_modified=2017-04-11T22:16:00Z
DELTA_T=225
DESCRIPT=Boston BASS MIDAS
Easternmost_Easting=-70.78237
EXPERIMENT=Mass Bay Longterm
featureType=TimeSeries
FILL_FLAG=0.0
geospatial_bounds=POINT(-70.7823715209961 42.3772087097168)
geospatial_bounds_crs=EPSG:4326
geospatial_lat_max=42.37721
geospatial_lat_min=42.37721
geospatial_lat_resolution=0
geospatial_lat_units=degrees_north
geospatial_lon_max=-70.78237
geospatial_lon_min=-70.78237
geospatial_lon_resolution=0
geospatial_lon_units=degrees_east
geospatial_vertical_max=-30.33185
geospatial_vertical_min=-30.33185
geospatial_vertical_positive=up
geospatial_vertical_resolution=0
geospatial_vertical_units=m
grid_mapping_epsg_code=EPSG:4326
grid_mapping_inverse_flattening=298.257223563
grid_mapping_long_name=http://www.opengis.net/def/crs/EPSG/0/4326
grid_mapping_name=latitude_longitude
grid_mapping_semi_major_axis=6378137.0
history=Fri Nov 1 20:20:05 2019: ncatted -a project,global,a,c,, CMG_Portal MBAY_LT/6832v-a_d2.nc
WATER_DEPTH related attributes corrected by adj_tripod_depth: 24 pad values replaced by linear interpolations using EPIC_interp.m :Variables u_1205, v_1206, CD_310, CS_300, w_1204, Werr_1201, edited using rangedit.m to select w_1204 in the range -5 to 2. :Trimmed using truncate.m to select records in the range 241 to 40136. :Time fixed in dolly.m by increasing time -0.12528 hours from record 1 thru 9408.:Time fixed in dolly.m by increasing time 1 hours from record 23061 thru 23076.:Concatenation of files 6832Av-cal_d2.nc through 6832Fv-cal_d2.nc :Calibrated using bass_avg.m. Pre zeroes used. :Converted by MIDAS.EXE v2.00
2017-04-11T22:16:00Z - pyaxiom - File created using pyaxiom
id=6832v-a_d2
infoUrl=https://stellwagen.er.usgs.gov/
INST_TYPE=MIDAS
institution=USGS Coastal and Marine Geology Program
instrument_number=MIDAS11
keywords_vocabulary=GCMD Science Keywords
latitude=42.37720777829488
longitude=-70.78239833301969
magnetic_variation=-16.0
MOORING=683
naming_authority=gov.usgs.cmgp
ncei_template_version=NCEI_NetCDF_TimeSeries_Orthogonal_Template_v2.0
NCO=netCDF Operators version 4.8.1 (Homepage = http://nco.sf.net, Code = https://github.com/nco/nco)
Northernmost_Northing=42.37721
original_filename=6832v-a_d2.nc
original_folder=MBAY_LT
pod_misalignment_angle=0.0
PROJECT=MWRA
project=U.S. Geological Survey Oceanographic Time-Series Data, CMG_Portal
project_summary=Measurements of currents and other oceanographic properties were made to assess the impact of sewage discharge from the proposed outfall site.
project_title=Long-term observations in Massachusetts Bay; Site A-Boston Harbor
source=USGS
sourceUrl=(local files)
Southernmost_Northing=42.37721
standard_name_vocabulary=CF Standard Name Table v29
start_time=06-Feb-2002 15:32:31
stop_time=21-May-2002 13:20:57
subsetVariables=latitude, longitude, altitude, feature_type_instance
time_coverage_duration=PT8977706S
time_coverage_end=2002-05-21T13:20:57Z
time_coverage_resolution=PT225S
time_coverage_start=2002-02-06T15:32:31Z
VAR_DESC=tiltx:tilty:comp:u:v:CD:CS:w:Werr
VAR_FILL=NaN
WATER_DEPTH=30.72185
WATER_DEPTH_NOTE=water depth computed using mean pressure from 6832tcp-a1h.nc - atmosphere (1013.3): (m)
Westernmost_Easting=-70.78237

美国地质调查局（USGS）- 沿海与海洋地质计划提供的时间序列数据集，源自马萨诸塞湾长期观测项目，具体为A-Boston Harbor项目，编号683和6832v-a_d2。该数据集通过测量水流以及其他海洋学特性，旨在评估拟建排放口排放污水对环境的影响。

数据属性包括：版本1（version=1）、netCDF库版本4.4.1.1、HDF5库版本1.8.17、BASS规范化因子0.0293等。数据类型为时间序列（cdm_data_type=TimeSeries），变量包括纬度、经度、海拔和特征类型实例（cdm_timeseries_variables=latitude, longitude, altitude, feature_type_instance）。

数据由B. Butman主持，项目名称为马萨诸塞湾长期观测（EXPERIMENT=Mass Bay Longterm），数据来源为USGS WHFC Sed Trans Grp。数据采集自MIDAS（海洋数据采集系统）设备，仪器编号为MIDAS11。数据集包含纬度42.37720777829488度，经度-70.78239833301969度，水深30.72185米。

数据集的创建日期为2009年1月5日，最后修改日期为2017年4月11日。数据集包含的变量描述包括tiltx、tilty、comp、u、v、CD、CS、w、Werr等。数据集的起始时间为2002年2月6日15:32:31，结束时间为2002年5月21日13:20:57。