| Acronym |
Full name |
Comments |
|
L
|
lunar
|
|---|
|
L2D2
|
Lightweight LORAN Digital Dropsonde
|
1990
|
|---|
|
L-DEO
|
Lamont-Doherty Earth Observatory
|
Columbia University
|
|---|
|
LA
|
Longmont anticyclone
|
|---|
|
La Niöa
|
The little girl
|
sister to El Niöo
|
|---|
|
LAC
|
local area coverage
|
AVHRR
|
|---|
|
LACATE
|
lower atmosphere composition and temperature experiment
|
|---|
|
LACTOZ
|
|
part of EUROTRAC
|
|---|
|
LAGEOS
|
Laser Geodynamics Satellite
|
USA/Italy
|
|---|
|
LAGEOS-2
|
Laser Geodynamics Satellite-2
|
Italy
|
|---|
|
LAI
|
Leaf Area Index
|
|---|
|
LAM
|
Limited-area model
|
|---|
|
LAMBADA
|
Amazon Basin Experiment
|
|---|
|
LAMMR
|
Large Antenna Multichannel Microwave Radiometer
|
|---|
|
LAMP
|
Laboratoire Associe de Meteorologie Physique
|
University of Clermont, France
|
|---|
|
LAMPS
|
Limited-Area Mesoscale Prediction System
|
|---|
|
LAMMR
|
Large Antenna Multichannel Microwave Radiometer
|
|---|
|
LAMSS
|
Laser Air Motion Sensing System
|
|---|
|
LAN
|
local area network
|
A communications network linking a number of computers in a relatively small geographical (i.e., "local") region
|
|---|
|
LANDSAT
|
Land Remote Sensing Satellite
|
|---|
|
landspout
|
|
A tornado
|
|---|
|
La Niöa
|
The little girl
|
sister to El Niöo
|
|---|
|
LANL
|
Los Alamos National Laboratory
|
|---|
|
LANTEX
|
Lantau Experiment
|
|---|
|
LAOL
|
Los Alamos Opacity Library
|
|---|
|
LAPB
|
Local Analysis and Prediction Branch
|
NOAA, FSL
|
|---|
|
LAPS
|
Local Analysis and Prediction System
|
|---|
|
LAPS
|
Local Area Prediction System
|
NOAA/FSL
|
|---|
|
LaRC
|
Langley Research Center
|
|---|
|
LARC
|
Limited Area Remote Collector
|
|---|
|
LAS
|
Laboratory of Atmospheric Science
|
|---|
|
LAS
|
LAGEOS apogee stage
|
|---|
|
LASA
|
Lidar Atmospheric Sounder and Altimeter
|
|---|
|
LASERS
|
Learning about Science Easily and Readily
|
NCAR
|
|---|
|
LASP
|
Laboratory for Atmospheric and Space Physics
|
University of Colorado
|
|---|
|
LATAS
|
Laser True Airspeed System
|
|---|
|
latency
|
|
In the context of the Unidata LDM, the delay in delivery of a data product since it was first injected from a data source site
|
|---|
|
LAWS
|
Laser Atmospheric Wind Sounder
|
|---|
|
LAWS
|
Low Altitude Wind Shear
|
|---|
| LBA/TRMM |
Large Scale Biosphere-Atmosphere Experiment in Amazonia/Tropical Rainfall Measuring Mission
| |
|
LBJSC
|
Lydon B. Johnson Space Center
|
NASA, Houston, Texas
|
|---|
|
LBN
|
Lawrence Berkeley Laboratory
|
|---|
|
LBJSC
|
Lydon B Johnson Space Center
|
NASA at Houston, formerely "Manned Space Center" or MSC.
|
|---|
|
LC
|
inductance-capacitance
|
|---|
|
LCC
|
life cycle cost
|
|---|
|
LCD
|
Liquid crystal display
|
Type of display used in, for example, digital watches
|
|---|
|
LCL
|
lifting consdensation level
|
|---|
|
LCM
|
large core memory
|
|---|
|
LDA
|
Local Data Acquisition
|
|---|
|
LDAD
|
Local Data Acquisition and Dissemination
|
a component of the WFO-Advanced workstation
|
|---|
|
LDAP
|
Lightweight Directory Access Protocol
|
|---|
|
LDM
|
Local Data Manager
|
The software allows Unidata sites to select, capture, process, and distribute data products. The LDM is implemented as a set of network client and server programs and their shared protocols. In 1994, the LDM was modified to allow its use across the Internet (See IDD)
|
|---|
|
LDM_Connection
|
|
Unidata software that created Unidata McIDAS MD files from International Data Service surface (synoptic) data
|
|---|
|
LDM server
|
|
The LDM program rpc.ldmd responsible for servicing RPC requests, managing the reception, disposition, and injection of data to and from the IDD
|
|---|
|
LDN
|
local data network
|
NCAR
|
|---|
|
Ldr
|
LIDAR
|
|---|
|
LDR
|
linear depolarization ratio
|
|---|
|
LDS
|
Lightning Detection System
|
|---|
|
LDS
|
Linear Depolarization Ratio
|
|---|
|
LDS
|
Loral Defense Systems
|
formerly Unisys Corporation
|
|---|
|
LEADEX
|
Lead Experiment
|
Arctic
|
|---|
|
leaf node
|
|
In the context of the IDD, an LDM system that receives data products but does not relay data products to other IDD nodes. If the IDD distribution is represented as a directed graph, the leaf nodes have no outgoing edges
|
|---|
|
LEARN
|
Laboratory Experience in Atmospheric Research
|
UCAR
|
|---|
|
LED
|
light emitting diode
|
A type of display
|
|---|
|
LEDA
|
On-line Earthnet Data Access
|
ESA catalog system
|
|---|
|
LeRC
|
Lewis Research Center
|
|---|
|
LES
|
large-eddy simulation
|
|---|
|
LEST
|
Large Earth-Based Solar Telescope
|
|---|
|
LEWEX
|
Labrador Extreme Waves Experiment
|
NASA
|
|---|
|
LF
|
Low frequency
|
|---|
|
LFC
|
large format camera
|
|---|
|
LFM
|
limited-area fine mesh
|
An NMC forecasting model
|
|---|
|
LGSOWG
|
Landsat Ground Station Operators Working Group
|
|---|
|
lhs
|
left-hand side
|
|---|
|
library
|
|
A collection of related software files
|
|---|
|
LIDAR
|
Light Detection and Ranging Instrument
|
|---|
|
LIE
|
Line Islands Experiment
|
|---|
|
LIMS
|
Limb Infrared Monitor of the Statosphere
|
formerly LACATE
|
|---|
|
Linux
|
|
A Unix clone written from scratch by Linus Torvalds with assistance from a loosely-knit team of hackers across the Net. It aims towards POSIX compliance
|
|---|
|
LIRIS
|
Loral IR Imaging System
|
|---|
|
LIS
|
Library and Information Systems
|
NCAR
|
|---|
|
LIS
|
Lightning Imaging Sensor
|
|---|
|
LISP
|
List Processing Language
|
|---|
|
LITE
|
Lidar In Space Technology Experiment
|
|---|
|
LL
|
Lincoln Laboratories
|
MIT
|
|---|
|
LLC
|
logical link control
|
|---|
|
LLNL
|
Lawrence Livermore National Laboratory(ies)
|
|---|
|
LLP
|
Lightning Location and Protection
|
|---|
|
LLR
|
Lunar Laser Ranging
|
|---|
|
LLWAS
|
Low-Level Wind Shear Alert System
|
NCAR, RAP
|
|---|
|
lm
|
lumen
|
|---|
|
LM
|
Large Model
|
job class on the Cray computers
|
|---|
|
LME
|
layer management entity
|
|---|
|
LMER
|
Land Margin Ecosystems Research
|
|---|
|
LMOS
|
Lake Michigan Ozone Study
|
|---|
|
LNA
|
Low-noise amplifier
|
|---|
|
LNB
|
|
Equipment that combines the functions of a low-noise amplifier and a block-down converter in equipment used to receive broadcasts from satellites
|
|---|
|
LOC
|
lines of code
|
|---|
|
LOD2
|
Lightweight Omega Digital Dropwindsonde
|
|---|
|
LOE
|
Level of Effort
|
|---|
|
LOHSS
|
Local Hardware and Software Systems
|
A working group formed after the 1983 workshop, held in Madison, WI , at which the Unidata Program was first conceived
|
|---|
|
LOICZ
|
Land-Ocean Interactions in the Coastal Zone
|
IGBP
|
|---|
|
LORAN-C
|
Long Range (aid to) Navigation-C
|
usually LORAN
|
|---|
|
LOS
|
loss of signal
|
|---|
|
LOTREX
|
Working LORAN
|
|---|
|
LOTUS
|
Lower Thermosphere and Upper Stratosphere
|
NSF
|
|---|
|
LOWL
|
Low Degree Oscillations Experiment
|
|---|
|
low pressure
|
|
An area of low pressure refers to a minimum of atmospheric pressure in two dimensions (closed isobars) on a constant-height chart or a minimum of height (closed contours) on a constant-pressure chart.
|
|---|
|
LOX
|
Liquid Oxygen
|
|---|
|
LPARL
|
Lockheed Palo Alto Research Laboratory
|
|---|
|
LPATS
|
Lightning Position and Tracking System
|
A service of Atmospheric Research Systems, Inc.
|
|---|
|
LPC
|
large particle count
|
|---|
|
LPI
|
lines per inch
|
|---|
|
LPM
|
lines per minute
|
|---|
|
LRC
|
Langley Research Center
|
|---|
|
LRE
|
Latest Revised Estimate
|
|---|
|
LRIR
|
Limb Radiance Inversion (or Infrared) Radiometer
|
|---|
|
LRT
|
Low Rate Type
|
NCAR aircraft data
|
|---|
|
LRU
|
laser recording unit
|
|---|
|
LRU
|
line replaceable unit
|
|---|
|
LSA
|
logistics support analysis
|
|---|
|
LSD
|
large-scale dynamics
|
|---|
|
LSFC
|
Langley Space Flight Center
|
NASA
|
|---|
|
LSI
|
large scale integration
|
|---|
|
LSI
|
Lunar Science Institute
|
operated by the University Space Resources Association
|
|---|
|
LSM
|
local system management
|
|---|
|
LSM
|
Land Surface Model
|
|---|
|
LST
|
Large Space Telescope
|
|---|
|
LSU
|
Louisiana State University
|
Baton Rouge
|
|---|
|
LSX
|
land surface transfer scheme
|
|---|
|
LT
|
local time
|
|---|
|
LTCS
|
Lower Thermosphere Coupling Study
|
|---|
|
LTE
|
local thermodynamic equilibrium
|
|---|
|
LTER
|
Long Term Ecological Research
|
|---|
|
LTER
|
Long-Term Ecological Research program
|
NSF
|
|---|
|
LTLOG
|
Landsat Technical Working Group
|
|---|
|
LTV
|
Ling-Temco-Vaught Inc.
|
|---|
|
LVBLE
|
Laramie Valley Boundary Layer Experiment
|
|---|
|
LVDT
|
linear variable differential transformer
|
|---|
|
LWC
|
liquid water content
|
|---|
