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LEVEL 3 BINNED MAP PRODUCT

Introduction
Naming Convention
Global Attributes
SDS and Palette Arrays

Introduction

The Level 3 Binned map image products are image representations of binned products. The image data object, 13m-data, in each binned map product is a byte-valued, 4,096 * 2,048 array of an Equal-Area Rectangular projection of the globe.

Level 3 Binned map products are generated from Level 3 Binned products and classified into three subproducts: ocean color, vegetation, and sea surface temperature. The binned parameters are stored in the products as following set:

Ocean Color Product
- normalized water-leaving radiance (at 412nm, 443nm, 490nm, 520nm, 565nm) and aerosol radiance (at 670nm, 765nm, 865nm).
- CZCS-like pigment concentration
- chlorophyll a concentration
- diffuse attenuation coefficient at 490 nm
Vegetation Product
- vegetation indices
Sea Surface Temperature
- sea surface temperature

Note that the data types in throughout this document are expressed with followings:

Ch	character line
Short	2 byte integer (signed)
Ushort	2 byte integer (unsigned)
Long	4 byte integer (signed)
Ulong	4 byte integer (unsigned)
Real	4 byte real number
Double	8 byte real number
Byte	1 byte integer

Naming Convention

Ocean color product	L3BMOCL$ (radiance), L3BMOCP$ (CZCS-like pigment), L3BMOCC$ (Chlorophyll a concentration), L3BMOCK$ (Diffuse attenuation coefficient at 490 nm)
Vegetation product	L3BMVI$ (Vegetation indices)
Sea surface temperature	L3BMST$ (Sea surface temperature)

$ indicates: 'D' shows day, 'W' shows week, 'M' shows month, and 'Y' shows year

Structure of level 3 Binned Map product
Global Attributes
l3bm_La_865
l3bm_La_765
l3bm_La_670
l3bm_nLw_565
l3bm_nLw_520
l3bm_nLw_490
l3bm_nLw_443
l3bm_nLw_412 / CZCS_pigment / chlor_a / K_490 / vegetation /SST
2,048 lines

4,096 columns
palette_La_865
palette_La_765
palette_La_670
palette_nLw_565
palette_nLw_520
palette_nLw_490
palette_nLw_443
palette_nLw_412 / CZCS_pigment / chlor_a / K_490 / vegetation / SST
3

256

**Structure of level 3 Binned Map product**
Global Attributes
l3bm_La_865 l3bm_La_765 l3bm_La_670 l3bm_nLw_565 l3bm_nLw_520 l3bm_nLw_490 l3bm_nLw_443 l3bm_nLw_412 / CZCS_pigment / chlor_a / K_490 / vegetation /SST 2,048 lines 4,096 columns
palette_La_865 palette_La_765 palette_La_670 palette_nLw_565 palette_nLw_520 palette_nLw_490 palette_nLw_443 palette_nLw_412 / CZCS_pigment / chlor_a / K_490 / vegetation / SST 3 256

V group name (Tag = VG) V group class
refer Naming Convention CDF0.0

V group name (Tag = VG)	V group class
refer Naming Convention	CDF0.0

Mission and Documentation

[oc] : Ocean Color, [vi] : Vegetation Indices, [st] : Sea Surface Temperature

V data name
(Tag = VH) Nb of data Type Size
(bytes) Data (Tag = VS) Contents
Product Name 1 Ch 9 / 8 refer Naming Convention The name of the product file (without path)
Title 1 Ch 30 "OCTS Level-3 Binned Map Image"
Data Center 1 Ch 31 "NASDA/Earth Observation Center" OCTS Data Processing Center (National Space Development Agency of Japan)
Mission 1 Ch 11 "ADEOS OCTS" Mission (satellite name and sensor name)
Mission Characteristics 1 Ch 189 "Nominal orbit: inclination = 98.59 (Sun-Synchronous); node = 10:15-10:45 AM (descending); eccentricity =< 0.0012; altitude = 797km; ground speed = 6.6km/sec; revolutions per day = 14+11/41"
Sensor 1 Ch 43 "Ocean Color and Temperature Scanner (OCTS)"
Sensor Characteristics 1 Ch 23 "Number of bands = 12; number of detectors per band = 10; bits per pixel = 10; scan period = 0.905sec; bit rate = 3Mbit/sec"
Product Type 1 Ch 4 "day"
5 "week"
6 "month"
5 "year"
Data Sub-type 1 Ch 12 "Ocean Color"
19 "Vegetation Indices"
24 "Sea Surface Temperature"
Replacement Flag 1 Ch 9 "ORIGINAL" If this is the first version of this product delivered to the NASDA/EOC.
Software ID 1 Ch 4
"X Y"
Identities version of the operational software used to create this product.
X : OCTS software version
Y : OCTS database version
Processing Time 1 Ch 22 YYYYMMDD hh:mm:ss.ttt Local time of generation of this product.
Processing Control 1 Ch over 111 refer Process Product Order (OCTS-bin) All input and processing control parameters used by the calling program to generate the product.
Processing Log 1 Ch 160 refer Process Work Result (OCTS-Bin) Processing status information.
L2 Flag Usage 1 Ch 139 : [oc] "AEROSOL1, LOWLW1, HIGHTAU1, SOLZEN1,TURBIDW1, COCCOLITH1, CLDICE1, INCPLTSET1, NEGLW1, COASTZ1, SATZEN1, BRIGHT1, SUNGLINT1, NEARCLOUD1, LAND1, EPSILON1" : [oc] Same as for parent Level-3 binned product.
56 : [vi] "INCPLTSET1, OCEAN1, SCANANG1, OCEANGAIN1, SATURATE1, BRIGHT1" : [vi]
51 : [st] "INCPLTSET1,LAND1,IRCLOUD1,SURFWIND1, EMIANG1,SSTQC1" : [st]
L2 Engineering Quality Usage 24 Byte 24 Same as for parent Level-3 binned product.

V data name (Tag = VH)	Nb of data	Type	Size (bytes)	Data (Tag = VS)	Contents
Product Name	1	Ch	9 / 8	refer Naming Convention	The name of the product file (without path)
Title	1	Ch	30	"OCTS Level-3 Binned Map Image"
Data Center	1	Ch	31	"NASDA/Earth Observation Center"	OCTS Data Processing Center (National Space Development Agency of Japan)
Mission	1	Ch	11	"ADEOS OCTS"	Mission (satellite name and sensor name)
Mission Characteristics	1	Ch	189	"Nominal orbit: inclination = 98.59 (Sun-Synchronous); node = 10:15-10:45 AM (descending); eccentricity =< 0.0012; altitude = 797km; ground speed = 6.6km/sec; revolutions per day = 14+11/41"
Sensor	1	Ch	43	"Ocean Color and Temperature Scanner (OCTS)"
Sensor Characteristics	1	Ch	23	"Number of bands = 12; number of detectors per band = 10; bits per pixel = 10; scan period = 0.905sec; bit rate = 3Mbit/sec"
Product Type	1	Ch	4	"day"
5	"week"
6	"month"
5	"year"
Data Sub-type	1	Ch	12	"Ocean Color"
19	"Vegetation Indices"
24	"Sea Surface Temperature"
Replacement Flag	1	Ch	9	"ORIGINAL"	If this is the first version of this product delivered to the NASDA/EOC.
Software ID	1	Ch	4	"X Y"	Identities version of the operational software used to create this product. X : OCTS software version Y : OCTS database version
Processing Time	1	Ch	22	YYYYMMDD hh:mm:ss.ttt	Local time of generation of this product.
Processing Control	1	Ch	over 111	refer Process Product Order (OCTS-bin)	All input and processing control parameters used by the calling program to generate the product.
Processing Log	1	Ch	160	refer Process Work Result (OCTS-Bin)	Processing status information.
L2 Flag Usage	1	Ch	139 : [oc]	"AEROSOL1, LOWLW1, HIGHTAU1, SOLZEN1,TURBIDW1, COCCOLITH1, CLDICE1, INCPLTSET1, NEGLW1, COASTZ1, SATZEN1, BRIGHT1, SUNGLINT1, NEARCLOUD1, LAND1, EPSILON1" : [oc]	Same as for parent Level-3 binned product.
56 : [vi]	"INCPLTSET1, OCEAN1, SCANANG1, OCEANGAIN1, SATURATE1, BRIGHT1" : [vi]
51 : [st]	"INCPLTSET1,LAND1,IRCLOUD1,SURFWIND1, EMIANG1,SSTQC1" : [st]
L2 Engineering Quality Usage	24	Byte	24		Same as for parent Level-3 binned product.

Data Time

V data name (Tag = VH)	Nb of data	Type	Size (bytes)	Data (Tag = VS)	Contents
Period Start Year	1	Short	2		Year of start of binning period (cf. "Start Year") of the parent product.
Period Start Day	1	Short	2		GMT day-of-year of start of binning period (cf. "Start Day") of the parent product.
Period End Year	1	Short	2		Year of end of binning period (cf. "End Year") of the parent product.
Period End Day	1	Short	2		GMT day-of-year of end of binning period (cf. "End Day") of the parent product.
Start Time	1	Ch	22	YYYYMMDD hh:mm:ss.ttt	Data start GMT as read from the parent product.
End Time	1	Ch	22	YYYYMMDD hh:mm:ss.ttt	Data end GMT as read from parent product.
Start Year	1	Short	2		GMT year of data start as read from parent product.
Start Day	1	Short	2		GMT day-of-year of data start.
Start Millisec	1	Long	4		GMT milliseconds-of-day of data start.
End Year	1	Short	2		GMT year of data end as read from parent product.
End Day	1	Short	2		GMT day-of-year of data end.
End Millisec	1	Long	4		GMT milliseconds-of-day of data end.

Scene Coordinates

V data name (Tag = VH)	Nb of data	Type	Size (bytes)	Data (Tag = VS)	Contents
Map Projection	1	Ch	24	"Equidistant Cylindrical"
Latitude Units	1	Ch	14	"degrees North"	Units used for all latitude values in this product.
Longitude Units	1	Ch	13	"degrees East"	Units used for all longitude values in this product.
Northernmost Latitude	1	Real	4	90.0
Southernmost Latitude	1	Real	4	-90.0
Westernmost Longitude	1	Real	4	-20.0
Easternmost Longitude	1	Real	4	-20.0
Latitude Step	1	Real	4	0.087890624	Latitudinal distance between lines.
Longitude Step	1	Real	4	0.087890624	Longitudinal distance between columns.

Data Description

V data name (Tag = VH)	Nb of data	Type	Size (bytes)	Data (Tag = VS)	Contents
Data Bins	1	Long	4	1 ~ 5940422	Number of bins containing data in the parent product.
Number of Lines	1	Long	4	2048	Number of points in the vertical (longitudinal) direction.
Number of Columns	1	Long	4	4096	Number of points in the horizontal (latitudinal) direction.
Parameter	1	Ch	115	"Normalized water-leaving radiance at 412 nm, 443 nm, 490 nm, 520 nm and 565 nm, and aerosol radiance at 670 nm, 765 nm and 865 nm"
			33	"CZCS-like pigment concentration"
			29	"Chlorophyll a concentration"
			42	"Diffuse attenuation coefficient at 490 nm"
			19	"Vegetation Indices"
			24	"Sea Surface Temperature"
Measure	1	Ch	5	"Mean"
Units	1	Ch	21	"mW cm^-2 um^-1 sr^-1"	(not existing for Vegetation Indices) Radiance
			8	"mg m^-3"	CZCS-like pigment concentration, Chlorophyll a concentration
			5	"m^-1"	Diffuse attenuation coefficient at 490 nm
			7	"kelvin"	Sea Surface Temperature
Scaling	1	Ch	12	"logarithmic"	CZCS-like pigment concentration, Chlorophyll a concentration
Scaling	1	Ch	7	"linear"	others
Scaling Equation	1	Ch	55	"Base*((Slopel3m_data) + Intercept) = Parameter value"	CZCS-like pigment concentration, Chlorophyll a concentration
Scaling Equation	1	Ch	47	"(Slope*l3m_data) + Intercept = Parameter value"	others
Base	1	Real	4	refer Absolute Calibration Coefficients	(only for CZCS-like pigment concentration, Chlorophyll a concentration)
Slope	1	Real	4	refer Absolute Calibration Coefficients
Intercept	1	Real	4	refer Absolute Calibration Coefficients
Data Minimum	8 : [oc] 1: [other]	Real	32 : [oc] 4 : [other]
Data Maximum	8 : [oc] 1: [others]	Real	32 : [oc] 4 : [other]

SDS and Palette Arrays

Image Data

Ocean Color

Vegetation indices

Sea Surface Temperature

Image Data

V group name(Tag = VG)	V group class
OCTS Level 3Binned Map Data	Raster_Image_Data

Ocean Color

Radiance
CZCS-like pigment concentration
Chlorophyll a concentration
Diffuse attenuation coefficient at 490 nm

Radiance

V group name (Tag = VG)	Dimension (Tag = SDD)	Dimension name (Tag = VG)	Type	Size (bytes)	Contents (Tag = SD)
l3bm_nLw_412	4096 , 2048	"lines","nsamp"	Byte	8388608	Array of normalized water-leaving radiance at 412 nm.
palette_nLw_412	3 , 256	"rgb","scale"	Byte	768	Palette data.
l3bm_nLw_443	4096 , 2048	"lines","nsamp"	Byte	8388608	Array of normalized water-leaving radiance at 443 nm.
palette_nLw_443	3 , 256	"rgb","scale"	Byte	768	Palette data.
l3bm_nLw_490	4096 , 2048	"lines","nsamp"	Byte	8388608	Array of normalized water-leaving radiance at 490 nm.
palette_nLw_490	3 , 256	"rgb","scale"	Byte	768	Palette data.
l3bm_nLw_520	4096 , 2048	"lines","nsamp"	Byte	8388608	Array of normalized water-leaving radiance at 520 nm.
palette_nLw_520	3 , 256	"rgb","scale"	Byte	768	Palette data.
l3bm_nLw_565	4096 , 2048	"lines","nsamp"	Byte	8388608	Array of normalized water-leaving radiance at 565 nm.
palette_nLw_565	3 , 256	"rgb","scale"	Byte	768	Palette data.
l3bm_La_670	4096 , 2048	"lines","nsamp"	Byte	8388608	Array of aerosol radiance 670 nm.
palette_La_670	3 , 256	"rgb","scale"	Byte	768	Palette data.
l3bm_La_765	4096 , 2048	"lines","nsamp"	Byte	8388608	Array of aerosol radiance 765 nm.
palette_La_765	3 , 256	"rgb","scale"	Byte	768	Palette data.
l3bm_La_865	4096 , 2048	"lines","nsamp"	Byte	8388608	Array of aerosol radiance 865 nm.
palette_La_865	3 , 256	"rgb","scale"	Byte	768	Palette data.

CZCS-like pigment concentration

V group name (Tag = VG)	Dimension (Tag = SDD)	Dimension name (Tag = VG)	Type	Size (bytes)	Contents (Tag = SD)
l3bm_CZCS_pigment	4096 , 2048	"lines","nsamp"	Byte	8388608	Array of CZCS-like pigment concentration.
palette_CZCS_pigment	3 , 256	"rgb","scale"	Byte	768	Palette data

Chlorophyll a concentration

V group name (Tag = VG)	Dimension (Tag = SDD)	Dimension name (Tag = VG)	Type	Size (bytes)	Contents (Tag = SD)
l3bm_chlor_a	4096 , 2048	"lines","nsamp"	Byte	8388608	Array of chlorophyll a concentration
palette_chlor_a	3 , 256	"rgb","scale"	Byte	768	Palette data

Diffuse attenuation coefficient at 490 nm

V group name (Tag = VG)	Dimension (Tag = SDD)	Dimension name (Tag = VG)	Type	Size (bytes)	Contents (Tag = SD)
l3bm_K_490	4096 , 2048	"lines","nsamp"	Byte	8388608	Array of diffuse attenuation coefficient at 490 nm.
palette_K_490	3 , 256	"rgb","scale"	Byte	768	Palette data

Vegetation Indices

V group name (Tag = VG)	Dimension (Tag = SDD)	Dimension name (Tag = VG)	Type	Size (bytes)	Contents (Tag = SD)
l3bm_vegetation	4096 , 2048	"lines","nsamp"	Byte	8388608	Array of vegetation indices.
palette_vegetation	3 , 256	"rgb","scale"	Byte	768	Palette data

Sea Surface Temperature

V group name (Tag = VG)	Dimension (Tag = SDD)	Dimension name (Tag = VG)	Type	Size (bytes)	Contents (Tag = SD)
l3bm_SST	4096 , 2048	"lines","nsamp"	Byte	8388608	Array of sea surface temperature.
palette_SST	3 , 256	"rgb","scale"	Byte	768	Palette data

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