JAXA レベル2（L2）標準プロダクト

データアクセス

G-portal: https://gportal.jaxa.jp/gpr/
*G-portal account is also required for data download via SFTP.

バージョン履歴

バージョン 更新日 更新内容 リリースノート
vBa 2025/3/13 ・CLAUDIAによる雲判別→CAPCOMの雲プロダクトの処理過程におけるCAPCOM起動のCCLの閾値を一部変更
・cloud_flag_bitfieldの一部である雲水平不均質性フラグ（cloud　inhomogeneity）の処理についてバグ修正		 PDF
vCa 2025/12/1 ・気象衛星ひまわり9号/AHI雲プロダクトを使った代替校正の結果を反映
・太陽天頂角が70度→80度のところまでリトリーバル計算を実行するように変更		 PDF

入力データ

AUX_3MH
MSI_RGR

次元

名前 要素数 説明
across 384 across track方向のピクセル数（両端にダミーピクセルを含む）
along 12000* along track方向のピクセル数

* 概算値

出力変数

ScienceData
変数 単位 説明・attribute 次元 タイプ
Data   　 　
cloud_effective_radius_band3 um 雲粒の有効半径（バンド3：1.6um）
attribute
:long_name = "Cloud Effective Radius using band 3 (centered at 1.6 micro m)";
:units = "micro m";
:valid_range = 0.0f, 100.0f; // float
:_FillValue = 9.96921E36f; // float
:_ChunkSizes = 100U, 384U; // uint
 along, across float
cloud_effective_radius_band4 um 雲粒の有効半径（バンド4：2.3um）
attribute
:long_name = "Cloud Effective Radius using band 3 (centered at 1.6 micro m)";
:units = "micro m";
:valid_range = 0.0f, 100.0f; // float
:_FillValue = 9.96921E36f; // float
:_ChunkSizes = 100U, 384U; // uint
 along, across float
cloud_flag_bitfield - 雲フラグ・雲フェーズ
0: Algorithm Execute (0=Not executed, 1=Executed), 1-3: Clear Confidence Level (000=Cloudy, 111=Confident Clear), 4: Day/Night Flag (0=Night, 1=Day), 5-6: Land/Water Flag (00=Water, 01=Coastal, 10=Desert, 11=Land), 7:Snow/Ice Probablity (0=Yes, 1=No), 8-9:Sunglint(00=Sun glint, 11=No), 10:Heavy Aerosol (0=Yes, 1=No), 11:Cirrus Probability (0=Yes, 1=No), 12: Cloud Inhomogeneity (0=Inhomogeneous, 1=Uniform),  13-14: Cloud Phase (00=Uncertain, 01=Water, 10=Ice, 11=Mixed), 15: Snow Screening (0=NG, 1=OK)
attribute
:long_name = "Cloud Flag Bit Field";
:valid_range = -2147483647, 2147483647; // int
:_FillValue = -2147483647; // int
:_ChunkSizes = 100U, 384U; // uint
 along, across int
cloud_optical_thickness - 雲光学的厚さ
attribute
:long_name = "Cloud Optical Thickness";
:valid_range = 0.0f, 150.0f; // float
:_FillValue = 9.96921E36f; // float
:_ChunkSizes = 100U, 384U; // uint
 along, across float
cloud_top_height m 雲頂高度
attribute
:long_name = "Cloud Top Height";
:units = "m";
:valid_range = 0.0f, 20.0f; // float
:_FillValue = 9.96921E36f; // float
:_ChunkSizes = 100U, 384U; // uint
 along, across float
cloud_top_pressure hPa 雲頂気圧
attribute
:_FillValue = 9.96921E36f; // float
:long_name = "Cloud Top Pressure";
:units = "hPa";
:valid_range = 1.0f, 1100.0f; // float
:_ChunkSizes = 100U, 384U; // uint
 along, across float
cloud_top_temperature K 雲頂温度
attribute
:long_name = "Cloud Top Temperature";
:units = "K";
:valid_range = 150.0f, 350.0f; // float
:_FillValue = 9.96921E36f; // float
:_ChunkSizes = 100U, 384U; // uint
 along, across float
L2_quality_flag_1km - L2品質フラグ
attribute
:long_name = "L2 Quality Flag Method (1km)";
:_FillValue = -2147483647; // int
:_ChunkSizes = 1U; // uint
 along, across int
quality_flag - 品質フラグ
attribute
:long_name = "Quality Assurance Flag";
:valid_range = 0UB, 255UB; // ubyte
:_ChunkSizes = 100U, 384U; // uint
 along, across ubyte
Geo   　 　
day_night_flag - 昼夜フラグ
0: night. 1: day
attribute
:long_name = "Day night flag";
:valid_range = 0B, 1B; // byte
:_FillValue = -127B; // byte
:_ChunkSizes = 100U, 384U; // uint
 along, across byte
land_water_flag - 陸域/水域フラグ
0: water, 1: land
attribute
:long_name = "Land water flag";
:valid_range = 0B, 1B; // byte
:_FillValue = -127B; // byte
:_ChunkSizes = 100U, 384U; // uint
 along, across byte
latitude degree_north 緯度
attribute
:long_name = "Latitude";
:units = "degree_north";
:valid_range = -90.0, 90.0; // double
:_FillValue = 9.969209968386869E36; // double
:_ChunkSizes = 100U, 384U; // uint
 along, across double
longitude degree_east 経度
attribute
:long_name = "Longitude";
:units = "degree_east";
:valid_range = -180.0, 180.0; // double
:_FillValue = 9.969209968386869E36; // double
:_ChunkSizes = 100U, 384U; // uint
 along, across double
relative_azimuth_angle degree 相対方位角
attribute
:long_name = "Relative Azimuth Angle";
:units = "degree";
:valid_range = 0.0f, 180.0f; // float
:_FillValue = 9.96921E36f; // float
:_ChunkSizes = 100U, 384U; // uint
 along, across float
satellite_zenith_angle degree 衛星天頂角
attribute
:long_name = "Satellite Zenith Angle";
:units = "degree";
:valid_range = 0.0f, 90.0f; // float
:_FillValue = 9.96921E36f; // float
:_ChunkSizes = 100U, 384U; // uint
 along, across float
solar_zenith_angle degree 太陽天頂角
attribute
:long_name = "Solar Zenith Angle";
:units = "degree";
:valid_range = 0.0f, 180.0f; // float
:_FillValue = 9.96921E36f; // float
:_ChunkSizes = 100U, 384U; // uint
 along, across float
time seconds since 2000-1-1 00:00:00.0 0:00 観測時刻
attribute
:units = "seconds since 2000-1-1 00:00:00.0 0:00";
:_FillValue = 9.969209968386869E36; // double
:long_name = "Time";
:_ChunkSizes = 1U; // uint
 along  double
Geo/Scan_Time   　 　
DayOfMonth - 日数/月
attribute
:long_name = "Day of Month";
:_ChunkSizes = 1U; // uint
 along  byte
DayOFYear - 日数/年
attribute
:long_name = "DayofYear";
:_ChunkSizes = 1U; // uint
 along  short
Hour - 時間
attribute
:long_name = "Hour";
:_ChunkSizes = 1U; // uint
 along  byte
MilliSecond - ミリ秒
attribute
:long_name = "Millisecond";
:_ChunkSizes = 1U; // uint
 along  float
Minute - 分
attribute
:long_name = "Minute";
:_ChunkSizes = 1U; // uint
 along  byte
Month - 月
attribute
:long_name = "Month";
:_ChunkSizes = 1U; // uint
 along  byte
Second - 秒
attribute
:long_name = "Second";
:_ChunkSizes = 1U; // uint
 along  byte
SecondOfDay - 秒数/日
attribute
:long_name = "Second of Day";
:_ChunkSizes = 1U; // uint
 along  int
Year - 年
attribute
:long_name = "Year";
:_ChunkSizes = 1U; // uint
 along  short
HeaderData

※今後リスト掲載予定
ヘッダー情報はProduct Definition Document こちらをご参照ください。