| AOI | Area Of Interest. A DEOS
AOI is the smallest enclosing rectangle of all the Team
points of interest. |
| Address | A component of a location that can be assigned a US Postal Service street address. |
| DAS | DEOS
Analysis System. DAS consists of the following components:
FLUSS.
DAS is a component of
DEOS
.
|
| Data | A measurement of the physical environment at a specified time and place. |
| DBA | Database Administrator. |
| DEMON | The DEOS
Environmental Monitoring and Observing Network. |
| DEOS | The Delaware (or Distributed) Environmental Observing System. DEOS
consists of the components:
DAS,
DEMON,
DIVAS and
SMARTS.
|
| DEOS Grid | The primary grid used in the SMARTS component.
The DEOS grid is defined as a rectangular latitude/longitude grid with an origin at 90° South Latitude
and 180° Longitude.
Each grid cell is assumed to have a side of 1/50 degree of arc (0.02°) giving each grid cell an x,y-type coordinate
value based from the origin. The most Southwesterly cell or origin is designated 0,0.
The grid is thus designed to cover the entire globe with grid cell coordinates being positive definite everywhere.
The value of 1/50 of a degree being chosen as being the smallest realistic resolution for atmospheric variables and
provides for compact expression in decimal and fractional representations.
In addition to the grid described here, the
DEOS
system is designed to use any number of different grid definitions,
depending on the demands of the application.
|
| Derived Input | Data generated from a primary input data measurement or combination of measurements. The interpretation of the derived value
is of the same character as the primary data used to generated it, i.e. station-based. E.g., potential evapotranspiration. |
| Derived Output | Data generated from a primary output data measurement or combination of measurements.
The interpretation of the derived value is of the same character as the primary data used to generated it,
i.e. station-based. E.g., potential evapotranspiration. |
| Display Name | This is the text that will be used inside alerts generated by the system and in other areas where
a "human-readable" name is appropriate.
If this field is left blank, the station name will be used.
|
| DIVAS | The DEOS
Integrated Visualization and Analysis System.
DIVAS consists of the following components:
ODD-DIVAS and
VIVAS.
DIVAS is a component of DEOS
.
|
| DGS | The Delaware Geological Survey. |
| Domain | A geographical area over which a DEOS
instance operates.
A domain consists of one or more grids. |
| DPA | The Digital Precipitation Array (DPA) is a level III product from the WSR-88D Doppler radar system
run by the NWS. The data is provided on the HRAP grid. |
| Event Logging Facility | The Event Logging Facility (ELF) is the repository of all events generated by DEOS
components. |
| Field | A set of measurements of a single Data type of the physical environment over a rectangular grid at a specified time. |
| FLUSS | Flooding of Land Under Storm and Surge, a component of DAS. |
| Grid | A rectangular two-dimensional array of cells in particular coordinate projection
with a defined value for each data value at that cell coordinate of the grid. Each cell is defined by an x and y value. |
| Instrument | A physical device capable of measuring one environmental data value and any closely associated data.
E.g. precipitation, wind speed, air temperature etc. |
| Location | A point in three-dimensional space, i.e. possessing a latitude, longitude and elevation
and other appropriate metadata.
A location may have an associated address. |
| METAR | Principle data format for distribution of NWS data.
DEOS
is capable of ingesting METAR formatted data. |
| Network | A group of two or more physical stations providing combined data input capability
with identical instrument hardware at each installation. A network has one or more streams defined. |
| NWS | National Weather Service, under the National Oceanographic and Atmospheric Administration,
Department of Commerce. Source of the METAR formatted weather station data. |
| ODD-DIVAS | Operational Data Display for the DEOS
Integrated Visualization and Analysis System,
a component of DIVAS. |
| Primary Input | Instrument data, either point or area measured from a defined station location. |
| Primary Output | Data generated on a domain from either input data types. |
| Projection | |
| RRPM | Re-sampled Radar Precipitation Mosaic (RRPM) program. Creates a mosaicked
precipitation field and re-samples the data to the DEOS
grid.
A component of SMARTS. |
| SMARTS | Spatial Meteorological Analysis in Real-Time System, a component of DEOS
|
| Snow Data | When the term Snow Data is used it shall be understood to mean a situation where
Snow Depth and Snow Fall are both appropriate. |
| Snow Depth | The amount of snow existing at the site at the time of measurement. |
| Snow Fall | The amount of new snow accumulated during the appropriate time interval ending at the time of measurement. |
| Station | A physical location where environmental measurements are taken. |
| Stream | A logical set of data characterized by a defined common format. |
| Team | A team is a defined organization subscribing to the DEOS
system and providing
coordinates for use in the AOI. |