USGS-CMG time-series data: PONTCHARTRAIN - 514 - 5141var-a_d1

USGS-CMG time-series data from the Lake Pontchartrain Project project, mooring 514 and package 5141var-a_d1. A series of moored array studies to investigate the circulation and particle transport in Lake Pontchartrain.
_NCProperties=version=1|netcdflibversion=4.4.1.1|hdf5libversion=1.8.17
burst_rate_msec=1000.0
cdm_data_type=TimeSeries
cdm_timeseries_variables=latitude, longitude, altitude, feature_type_instance
COMPOSITE=1.0
contributor_name=R. Signell
contributor_role=principalInvestigator
Conventions=CF-1.6,ACDD-1.3, COARDS
COORD_SYSTEM=GEOGRAPHICAL
CREATION_DATE=26-Oct-1998 13:25:18
DATA_CMNT=Lake Ponchartrain BASS MIDAS
DATA_ORIGIN=USGS WHFC Sed Trans Grp
DATA_TYPE=TIME
date_metadata_modified=2017-04-11T22:50:00Z
DELTA_T=225
DEPTH_CONST=0
DESCRIPT=Lake Ponchartain BASS MIDAS
DRIFTER=0
Easternmost_Easting=-90.08237
EXPERIMENT=Lake Ponchartrain
featureType=TimeSeries
FILL_FLAG=0.0
geospatial_bounds=POINT(-90.08236694335938 30.164405822753906)
geospatial_bounds_crs=EPSG:4326
geospatial_lat_max=30.16441
geospatial_lat_min=30.16441
geospatial_lat_resolution=0
geospatial_lat_units=degrees_north
geospatial_lon_max=-90.08237
geospatial_lon_min=-90.08237
geospatial_lon_resolution=0
geospatial_lon_units=degrees_east
geospatial_vertical_max=-5.0
geospatial_vertical_min=-5.0
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 20:23:01 2019: ncatted -a project,global,a,c,, CMG_Portal PONTCHARTRAIN/5141var-a_d1.nc
28 pad values replaced by linear interpolations using EPIC_interp.m :Concatenation of files 5141Avar-trm_d1.nc through 5141Kvar-trm_d1.nc :Trimmed using truncate.m to select records in the range 587 to 2160. : Edited using range_delete.m to delete records unless NAV_105 is in the range 150 to 250. :Calibrated and averaged by Bst2var1post.m, using BASSuvw :Converted to netCDF by MIDAS.EXE v2.00
2017-04-11T22:50:00Z - pyaxiom - File created using pyaxiom
id=5141var-a_d1
infoUrl=https://stellwagen.er.usgs.gov/
INST_TYPE=MIDAS
institution=USGS Coastal and Marine Geology Program
instrument_number=MIDAS2
keywords_vocabulary=GCMD Science Keywords
latitude=30.164405833350287
longitude=-90.08236694335938
magnetic_variation=1.399999976158142
MOORING=514
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)
norm_factor=0.0293
Northernmost_Northing=30.16441
original_filename=5141var-a_d1.nc
original_folder=PONTCHARTRAIN
POS_CONST=0
post_zero_offset_A=62.68
post_zero_offset_B=-11.35
post_zero_offset_C=14.03
post_zero_offset_D=30.98
PROJECT=ECMG
project=U.S. Geological Survey Oceanographic Time-Series Data, CMG_Portal
project_summary=A series of moored array studies to investigate the circulation and particle transport in Lake Pontchartrain.
project_title=Lake Pontchartrain Project
source=USGS
sourceUrl=(local files)
Southernmost_Northing=30.16441
standard_name_vocabulary=CF Standard Name Table v29
start_time=18-Jan-1998 16:31:52
stop_time=05-May-1998 14:24:22
subsetVariables=latitude, longitude, altitude, feature_type_instance
time_coverage_duration=PT9237150S
time_coverage_end=1998-05-05T14:24:22Z
time_coverage_resolution=PT225S
time_coverage_start=1998-01-18T16:31:52Z
VAR_DESC=UVAR:UVCOV:VVAR:UWCOV:VWCOV:WVAR:peru:perv:SDP:P:NAV
VAR_FILL=NaN
WATER_DEPTH=5.5
water_depth=5.5
WATER_MASS=?
Westernmost_Easting=-90.08237

美国地质调查局-海岸与海洋地质计划（USGS Coastal and Marine Geology Program）的庞查特雷恩湖项目（Lake Pontchartrain Project）时间序列数据集，包括浮标514和5141var-a_d1数据包。该数据集记录了一系列浮标阵列研究，旨在探究庞查特雷恩湖的环流和颗粒物输送现象。

数据属性：版本1，使用netCDFlib版本4.4.1.1和hdf5lib版本1.8.17进行构建，数据类型为时间序列，变量包括纬度、经度、海拔和特征类型实例。数据集由R. Signell博士主持，遵循CF-1.6、ACDD-1.3和COARDS规范。地理坐标系统为地理坐标，创建日期为1998年10月26日。

数据来源：美国地质调查局水文学与海岸工程组（USGS WHFC Sed Trans Grp），数据修改日期为2017年4月11日。数据包含庞查特雷恩湖BASS MIDAS信息，使用MIDAS.EXE v2.00转换为netCDF格式。

仪器类型为MIDAS，数据集包含多个变量描述，如UVAR、UVCOV、VVAR、UWCOV、VWCOV、WVAR等，数据深度为5.5米。时间序列覆盖从1998年1月18日至1998年5月5日，分辨率为225秒。