JEM/SMILES L2 Products Guide
for Ver. 1.3 (006-06-0200)
STRUCTURE OF STANDARD SMILES L2 PRODUCTS

April 7, 2011

JEM/SMILES L2 Products Guide

1. STANDARD LEVEL 2 PRODUCTS OVERVIEW(1)FILE NAME

The file name is defined as follows.
SMILES_L2_{product_name}_{band_name}_{version_name}_{date}.he5(2)

A COMBINATION OF PRODUCT_NAME AND BAND_NAME

The combination of a product_name and band_name are as follows.
No.

product_nameband_name

1O3HClCH3CNHOCl

HNO3BrOA

Temperature
23O3

O3-sym-17

O3-asym-18

HClHO2Temperature

O3O3-asym-17

O3-asym-18

HNO3ClO

BrOBC(3) VERSION_NAME
version_name is represented as follows.
xxx-yy-zzzz :xxx

: Level 1 B version

yy: Climatological DB versionzzzz: Level 2 Algorithm version(4) DATE
date is represented as follows.
yyyymmdd :(ex. 20091009)

yyyy: Observation year

mm: Observation monthdd: Observation day1

JEM/SMILES L2 Products Guide

2. PRODUCT FORMAT
1) STRUCTURE OF HDF5-EOS DATA FILES
We show below the format structure of the HDF5*-EOS data file.
No.

FiledAttributes

1

FileAttribute

File Level Attributes:
・Instrument Name
・Processing Level
・Version・Observation day
・Band name・Scan number
・L1B file name2

GeolocationField

Geolocation Field Attributes:
・Observation point
・Time・Altitude
・Solar Zenith Angle
・Azimuth View
・Ascending/Descending flag

3

Data Field

Data Field Attributes:
・Data value
・Estimate error
・Status*: HTTP://WWW.HDFGROUP.ORG/2

JEM/SMILES L2 Products Guide2) STRUCTURE OF STANDARD SMILES L2 PRODUCTS● Standard processing data (HDF5-EOS)
Structure of standard processing data is as follows.
<File Attributes>
Explanation

Dimension

Data type Byte

1 L1BID

L1B file name(nTimes)char

20*nTimes

2 InstrumentName

Instrument Name (SMILES)

-char

6

3 ProcessLevel

Processing level (L2)

-

char

2

-

char

23

-

char

23

No.

HDF-EOS5 Name

4 StartUTC
5 EndUTC

Start time in this file
(yyyy-mm-ddT00:00:00.000)
End time in this file
(yyyy-mm-ddT23:59:59.000)

6 GranuleMonth

Month (mm)

-int

4

7 GranuleDayDay (dd)

-int

4

8 GranuleDayofYear

Granule Day of Year-int

4

9 GranuleYear

Year (yyyy)

-int

4

10 PGEVersion

Processing version(XXX-XX-XXXX)

-

char

1111 StartScan

Scan count of first day in this file-char

612 EndScan

Scan count of end day in this file

-char

6

13 BandNameBand name-char

4Total107+20*nTimes<Swath Attributes>
No.

HDF-EOS5 Name

Explanation

Dimension

Data type Unit

1 Altitude

Calculation Altitude(nLevels)float

2 VerticalCoordinate

vertical coordinate
system name-char

TotalkmByte
4*nLevels
88+4*nLevels

3JEM/SMILES L2 Products Guide<Geolocation/Data fields Attributes>: Next information is added to each field item.
No.

HDF-EOS5 Name

Explanation

Dimension

Data type Byte

1 MissingValue

Missing value-float42 Title

Filed name-

char

30

3 Units

Unit-

char

12

4 UniqueFieldDefinition

Filed Definition

-char

20

Total

66

<Geolocation Fields>
No.

HDF-EOS5 Name
1 Time2 TimeUTC

Explanation
Observation time
(Total second since 1/1/1958)
Observation time（UTC）
yyyy-mm-dd hh:mm:ss.sss

Dimension

Data type Unit(nTimes)

double(nTimes)

Byte＊18*nTimeschar-

23*nTimes

3 Altitude

Representative altitude(nLevel)

float

km

4*nLevel

4 Latitude

Observation Latitude(nTimes)float

degrees

4*nTimes

5 Longitude

Observation Longitude(nTimes)float

degrees

4*nTimes

6 SolarZenithAngle

Solar Zenith Angle(nTimes)float

degrees

4*nTimes

7 LocalTime

Local time (hh:mm:ss)(nTimes)char-

8*nTimes

8 LineOfSightAngle

Azimuth View

(nTimes)float

degrees

4*nTimes

9 AscendingDescending

Ascending/Descending flag(nTimes)int-

4*nTimes10 Reserved

Reserved field(nTimes)

int-

4*nTimes

Total

63*nTimes+4*nLevel*1: seconds since 1958-1-1

4

JEM/SMILES L2 Products Guide<Data Fields>
No.

Explanation

Dimension

Data type Unit

1 L2ValueValue(nLevel,nTimes)

float

2 L2Precisioncalculation error(nLevel,nTimes)

float

3 MeasurementError

Measurement error(nLevel,nTimes)

float

4 SmoothingError

Smoothing Error(nLevel,nTimes)

float

5 Apriori

A priori value(nLevel,nTimes)

float

6 AprioriError

A priori error(nLevel,nTimes)

float

7 CorrLength

Correlative length of A priori(nTimes)

float

8 AveragingKernel

Averaging Kernel(nLevel,nLevelnTimes)

float

9 VerticalResolution

Vertical Resolution(nLevel,nTimes)

float

10 InformationValue

Information Value(nLevel,nTimes)

float

11 Pressure

Retrieved pressure(nLevel,nTimes)

float

12 Temperature

Retrieved temperature(nLevel,nTimes)

float

12 WaterVapor

Using Water Vapor of retrieval (nLevel,nTimes)

float

13 Baseline0

Coefficient of Continuum(nLevel,nTimes)

float

14 Baseline0Precision

Baseline error of coefficient(nLevel,nTimes)

float

15 Baseline1

primary coefficient ofContinuum
Baseline error ofprimary coefficient.

(nLevel,nTimes)

float(nLevel,nTimes)

float

HDF-EOS5 Name

16 Baseline1Precision

Byte

4*nTimes*nLevel
4*nTimesvmr*nLevel
4*nTimesvmr*nLevel
4*nTimesvmr*nLevel
4*nTimesvmr*nLevel
4*nTimesvmr*nLevel
4*nTimes
km*nLevel
4*nTimes*nLevel^2
4*nTimes
km*nLevel
4*nTimes*nLevel
4*nTimeshPa*nLevel
4*nTimes
K*nLevel
4*nTimesvmr*nLevel-1 4*nTimeskm*nLevel-1 4*nTimeskm*nLevel-1-1 4*nTimes
Hz .km*nLevel-1-1 4*nTimes
Hz .km*nLevel-2-1 4*nTimes
Hz .km*nLevel-2-1 4*nTimes
Hz .km*nLevel-3-1 4*nTimes
Hz .km*nLevelHz-3.km-1 4*nTimes*nLevelvmr

17 Baseline2

2nd coefficient of Continuum(nLevel,nTimes)

float

18 Baseline2Precision

Baseline error of
2nd coefficient(nLevel,nTimes)

float

19 Baseline3

3rd coefficient of Continuum(nLevel,nTimes)

float

20 Baseline3Precision

Baseline error of 3rd coeficient (nLevel,nTimes)

float

21 RadianceResidualMax

Max. Radiance Residual(nTimes)

float

K 4*nTimes

22 RadianceResidualMean

Mean Radiance Residual(nTimes)

float

K 4*nTimes

23 RadianceResidualRMS

RMS Radiance Residual(nTimes)

float

K 4*nTimes

RetrievedViewAngle
24
OffsetRetrievedViewAngle
25
OffsetError

Antenna Elevation Angle
OffsetAntenna Elevation Angle
Offset errir
Convergence loop numberand result(nTimes)

float

degrees 4*nTimes(nTimes)float

degrees 4*nTimes(nTimes)int- 4*nTimes

26 NumIterPerform
27 MaxNumIteration

Max. convergence number(nTimes)int- 4*nTimes

28 Status

Status information(nTimes)int- 4*nTimes

29 AOSUnitNum

Number of observed AOS Unit (nTimes)int- 4*nTimes

5

JEM/SMILES L2 Products Guide
Explanation

Dimension

Data type Unit

30 Convergence

Convergence status(nTimes)

float- 4*nTimes

31 FOVInterference

Interference flag *2(nTimes)int- 4*nTimes

32 CostfunctionYAll

Costfunction of spectra(nTimes)

float- 4*nTimes

33 CostfunctionY

Costfunction of spectrafor each altitude(nLevel,nTimes)

float-No.

HDF-EOS5 NameTotal

Byte

4*nTimes*nLevel

4*nTimes*nLevel＾2+76*nTimes*nLevel+56*nTimes*2 FOVInterference field:valueExplanation-1

No interference information

0

No FOV interference>0

Do not use this profile (see the `information').
1

Information: FOV interference by Sun

2Information: FOV interference by Moon

4

Information: FOV interference by ISS Solar paddle<StructMetadata>No.

HDF-EOS5 Name

1 StructMetadata.0

Explanation
Matrix information of swath data

Dimension Byte
132000< coremetadata >No.

HDF-EOS5 Name

1 coremetadata.0

Explanation
HDF-EOS information

Dimension Byte
16974

6