?? ?(JAXA EORC)

1
SGLI??1. VNIR????????CH?????????????????? 2.
1030?1330??????(Terra/Aqua Cloud fraction
product??) 3. 678(670?)?Lmax????(RGB?????????)
?
?
?
?
?
?
?
?

• ?? ?(JAXA EORC)
• SGLI??WG 2005/01/17

??????200m??250km?? ??????????
2
1. VNIR????????CH??????????????????

• SGLI VNIR???????????CH??AT?????8?(?4?)????????????
  
• ??????????????????????????????
• 0??-18.5??????????????GLI 250m???????
  GLI???????????
• 2??????CH (824nm?2200nm)??????????????????????????
  ?????????????????
• Sunglint????????????????CH?????????????

3
????? ..Sunglint??????????????
??????????? ..????Nadir???????????????????
Figure 1 GLI 250m???Nadir??????nLw_543 ODbyOD??
??by?????????OD1Naidr?OD2???-18.5?????
4
Figure 2 (a)???OD2?(b)NadirOD1???????OD2??????????
????nLw_543??
???????????????????(?)??????????? ..??????????????
??????????????????????????????????????????
5
(a)?4?AT???
(b)4?AT???
(B)?(A)
/-4deg??????????????????(???0.00010.003????)
Figure 3 simulations for 20100620 (by GLI orbit)
and 20100621 (by Aqua-like orbit)
6
1. VNIR????????CH??????????????????(??)

• ??????????????????????????????(2??????CH??????????
  ?)?
• CH??Sunglint?????????????????????????
• ?????????????????????????????pixel??????????????
  ?670nmCH???????????Sunglint???????o???)?
• ??????????????????????????????????????????????????
  ?????????????????
• Sunglint?????44???????????????????

7
2. 1030?1330??????(Terra/Aqua Cloud fraction
product ??)
2003 September Monthly Cloud fraction (daytime)
(a) Terra MODIS
(b) Aqua MODIS
(c) Aqua-Terra
70?N70?S???????2 Aqua???????????? ?????10?S?????
5??(0-10???)???????????40???????????????????????
8
2. 1030?1330??????
2004 April Monthly Cloud fraction (daytime)
(a) Terra MODIS
(b) Aqua MODIS
(c) Aqua-Terra
?????????????????????
9
2. 1030?1330??????
2004 December Monthly Cloud fraction (daytime)
(a) Terra MODIS
(b) Aqua MODIS
(c) Aqua-Terra
?????????Aqua???????????? ???????????Aqua?????????
????
?? ?????2(?510)??????4(0
gt20)?????????? ????????????????????????? ????????
?????????????
10
3. 678(670?)nm?Lmax????(RGB?????????)
GLI RGB 678, 545, 460nm, 2003/04/12
11
3. 678(670?)nm?Lmax????(RGB?????????)
?????1km?? (2003/09/20, ?????)
678nm?210 W/m2/sr/um?????????????
SGLI 678nm Lmax210nm
12
3. 678(670?)nm?Lmax????(RGB?????????)
SGLI ???? 678nm Lmax210 W/m2/sr/um 530nm
Lmax350 W/m2/sr/um 443nm Lmax400 W/m2/sr/um
SGLI ??RGB???????? 678nm Lmax280
W/m2/sr/um 530nm Lmax350 W/m2/sr/um 443nm
Lmax400 W/m2/sr/um
????
R?G???
678????

• RGB???????? 678nm?Lmax??530nm???????????280W/m2/sr
  /um????????
• ????????????????????865nm?(?????)??CH??RGB?3??????
  ???????????????? ???????????????
• ????????????????????210W/m2/sr/um???????????(?????
  ??)??????????????? ??Flux?PAR?????