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 一般提供開始 PDF
vBb 2025/4/22 地表面付近の雲検出を改良 PDF
vCa 2025/12/1 ・ATL_CLA(vBa)で地表面検出の改良に伴う対応
・cloud maskへfully attenuated flagを追加
・CPR_ECO (vBa)でクラッター判別の改良に伴う対応
・MSIの光学的厚さと整合性を保つように雲微物理特性を改良
・ドップラー速度の折り返し補正の改良版の作成		 PDF
vCb 2026/5/18 ・雲微物理特性の改良
・変数名称の改訂		 PDF

入力データ

CPR_ECO
AUX_2DH

次元

名前 要素数 説明
nray 5000* along track方向のピクセル数
nbin 200* 鉛直方向のピクセル数

* 概算値

出力変数

ScienceData
変数 単位 説明・attribute 次元 タイプ
Data   　 　 　
cloud_mask_cpr_10km - CPR雲マスク (10km)
0: clear, 20: weak echo, 30: good echo, 40: strong echo, -4~-1: non-cloud echo (insects etc)
attribute
 nray, nbin int
cloud_mask_cpr_1km - CPR雲マスク (1km)
0: clear, 20: weak echo, 30: good echo, 40: strong echo, -4~-1: non-cloud echo (insects etc)
attribute
 nray, nbin int
cloud_particle_type_cpr_10km - CPR雲粒子タイプ (10km)
0: clear, 1: warm water, 2: supercooled water, 3: 3D ice, 4: 2D plate, 5: liquid drizzle, 6: mixed-phase drizzle, 7: rain, 8: snow, 9: melting layer/freezing lavel, 10: non-cloud echo (insects etc) , 11: fully attenuated (CPR) (not used)
attribute
 nray, nbin int
cloud_particle_type_cpr_1km - CPR雲粒子タイプ (1km)
0: clear, 1: warm water, 2: supercooled water, 3: 3D ice, 4: 2D plate, 5: liquid drizzle, 6: mixed-phase drizzle, 7: rain, 8: snow, 9: melting layer/freezing lavel, 10: non-cloud echo (insects etc) , 11: fully attenuated (CPR) (not used)
attribute
 nray, nbin int
cloud_particle_category_cpr_10km - CPR雲粒子カテゴリー (10km)
cloud particle habit categories (1: not used, 2: 2D category (2D plates and 2D columns), 3: bullet rosette/3D types (bullets/bullet rosettes, 3D aggregate category), 4: Droxtals, 5: 2-D and 3-D Voronois, 6: not used, 7: warm water, 8: liquid drizzle, 9: rain)
attribute
 nray, nbin int
cloud_particle_category_cpr_1km - CPR雲粒子カテゴリー (1km)
cloud particle habit categories (1: not used, 2: 2D category (2D plates and 2D columns), 3: bullet rosette/3D types (bullets/bullet rosettes, 3D aggregate category), 4: Droxtals, 5: 2-D and 3-D Voronois, 6: not used, 7: warm water, 8: liquid drizzle, 9: rain
attribute
 nray, nbin int
ice_effective_radius_10km um 氷粒子有効半径 (10km)
total ice effective radius (10km)
attribute
 nray, nbin float
ice_effective_radius_1km um 氷粒子有効半径 (1km)
total ice effective radius (1km)
attribute
 nray, nbin float
water_effective_radius_10km um 水粒子有効半径 (10km)
total liquid effective radius (10km)
attribute
 nray, nbin float
water_effective_radius_1km um 水粒子有効半径 (1km)
total liquid effective radius (1km)
attribute
 nray, nbin float
ice_water_content_10km g/m^3 氷水量 (10km)
total ice water content (10km)
attribute
 nray, nbin float
ice_water_content_1km g/m^3 氷水量　(1km)
total ice water content (1km)
attribute
 nray, nbin float
liquid_water_content_10km g/m^3 雲水量 (10km)
total liquid water content (10km)
attribute
 nray, nbin float
liquid_water_content_1km g/m^3 雲水量 (1km)
total liquid water content (1km)
attribute
 nray, nbin float
total_cloud_ice_number_concentration_10km 1/m^3 氷粒子総個数密度 (10km)
total ice number concentration (10km)
attribute
 nray, nbin float
total_cloud_ice_number_concentration_1km 1/m^3 氷粒子総個数密度 (1km)
total ice number concentration (1km)
attribute
 nray, nbin float
total_cloud_water_number_concentration_10km 1/m^3 水粒子総個数密度 (10km)
total liquid number concentration (10km)
attribute
 nray, nbin float
total_cloud_water_number_concentration_1km 1/m^3 水粒子総個数密度 (1km)
total liquid number concentration (1km)
attribute
 nray, nbin float
total_cloud_terminal_velocity_10km m/s 雲粒子沈降速度 (10km)
total cloud particle terminal velocity (10km)
attribute
 nray, nbin float
total_cloud_terminal_velocity_1km m/s 雲粒子沈降速度 (1km)
total cloud particle terminal velocity (1km)
attribute
 nray, nbin float
cloud_air_velocity_10km m/s 大気鉛直速度 (10km)
vertical airmotion (10km)
attribute
 nray, nbin float
cloud_air_velocity_1km m/s 大気鉛直速度 (1km)
vertical airmotion (1km)
attribute
 nray, nbin float
cloud_effective_radius1_10km um 粒子1の雲粒子有効半径 (10km)
effective radius (cloud particle 1) (10km)
attribute
 nray, nbin float
cloud_effective_radius1_1km um 粒子1の雲粒子有効半径 (1km)
effective radius (cloud particle 1) (1km)
attribute
 nray, nbin float
cloud_effective_radius2_10km um 粒子2の雲粒子有効半径 (10km)
effective radius (cloud particle 2) (10km)
attribute
 nray, nbin float
cloud_effective_radius2_1km um 粒子2 の雲粒子有効半径 (1km)
effective radius (cloud particle 2) (1km)
attribute
 nray, nbin float
cloud_water_content1_10km g/m^3 粒子1の雲水量 または氷水量 (10km)
liquid water content or ice water content (cloud particle 1) (10km)
attribute
 nray, nbin float
cloud_water_content1_1km g/m^3 粒子1の雲水量 または氷水量 (1km)
liquid water content or ice water content (cloud particle 1) (1km)
attribute
 nray, nbin float
cloud_water_content2_10km g/m^3 粒子2の雲水量 または氷水量 (10km)
liquid water content or ice water content (cloud particle 2) (10km)
attribute
 nray, nbin float
cloud_water_content2_1km g/m^3 粒子2の雲水量 または氷水量 (1km)
liquid water content or ice water content (cloud particle 2) (1km)
attribute
 nray, nbin float
cloud_phase1_10km - 粒子1の雲相 (10km)
1: 水相、2：氷相
cloud phase (cloud particle 1) (10km)
1: liquid phase, 2: ice phase
attribute
 nray, nbin int
cloud_phase1_1km - 粒子1の雲相 (1km)
1: 水相、2：氷相
cloud phase (cloud particle 1) (1km)
1: liquid phase, 2: ice phase
attribute
 nray, nbin int
cloud_phase2_10km - 粒子2の雲相 (10km)
1: 水相、2：氷相
cloud phase (cloud particle 2) (10km)
1: liquid phase, 2: ice phase
attribute
 nray, nbin int
cloud_phase2_1km - 粒子2の雲相 (1km)
1: 水相、2：氷相
cloud phase (cloud particle 2) (1km)
1: liquid phase, 2: ice phase
attribute
 nray, nbin int
cloud_number_concentration1_10km 1/m^3 粒子1 の個数密度　(10km)
number concentration (cloud particle 1) (10km)
attribute
 nray, nbin float
cloud_number_concentration1_1km 1/m^3 粒子1 の個数密度　(1km)
number concentration (cloud particle 1) (1km)
attribute
 nray, nbin float
cloud_number_concentration2_10km 1/m^3 粒子2 の個数密度　(10km)
number concentration (cloud particle 2)(10km)
attribute
 nray, nbin float
cloud_number_concentration2_1km 1/m^3 粒子2 の個数密度　(1km)
number concentration (cloud particle 2) (1km)
attribute
 nray, nbin float
cloud_terminal_velocity1_10km m/s 粒子1 の雲粒子沈降速度 (10km)
terminal velcocity (cloud particle 1)(10km)
attribute
 nray, nbin float
cloud_terminal_velocity1_1km m/s 粒子1 の雲粒子沈降速度 (1km)
terminal velcocity (cloud particle 1) (1km)
attribute
 nray, nbin float
cloud_terminal_velocity2_10km m/s 粒子2 の雲粒子沈降速度 (10km)
terminal velcocity (cloud particle 2)(10km)
attribute
 nray, nbin float
cloud_terminal_velocity2_1km m/s 粒子2 の雲粒子沈降速度 (1km)
terminal velcocity (cloud particle 2) (1km)
attribute
 nray, nbin float
ice_water_path_10km g/m^2 鉛直積算氷水量 (10km)
ice water path (10km)
attribute
 nray float
ice_water_path_1km g/m^2 鉛直積算氷水量 (1km)
ice water path (1km)
attribute
 nray float
liquid_water_path_10km g/m^2 鉛直積算雲水量 (10km)
liquid water path (10km)
attribute
 nray float
liquid_water_path_1km g/m^2 鉛直積算雲水量 (1km)
liquid water path (1km)
attribute
 nray float
optical_thickness_10km - 光学的厚さ (10km)
optical thickness (10km)
attribute
 nray float
optical_thickness_1km - 光学的厚さ (1km)
optical thickness (1km)
attribute
 nray float
cloud_radar_reflectivity_10km dBZe 雲マスク後の減衰レーダ反射因子(大気減衰補正済み) (10km)
attenuted radar reflectivity factor after cloud mask (1km) (CPR_L2a_ECO: jsg_radar_reflectivity_1km_with_correction: Both clutter and ganeous attenuation are corrected)
attribute
 nray, nbin float
cloud_radar_reflectivity_1km dBZe 雲マスク後の減衰レーダ反射因子(大気減衰補正済み) (1km)
attenuated radar reflectivity factor after cloud mask (1km) (CPR_L2a_ECO: jsg_radar_reflectivity_1km_with_correction: Both clutter and ganeous attenuation are corrected)
attribute
 nray, nbin float
cloud_doppler_velocity_10km m/s 雲マスク後のドップラー速度 (10km)
Bias corrected Doppler Velocity after cloud mask (10km) (CPR_L2a_ECO: jsg_doppler_velocity_1km_with_correction_bias_corr)
attribute
 nray, nbin float
cloud_doppler_velocity_1km m/s 雲マスク後のドップラー速度 (1km)
Bias corrected Doppler Velocity after cloud mask (1km) (CPR_L2a_ECO: jsg_doppler_velocity_1km_with_correction_bias_corr)
attribute
 nray, nbin float
cloud_gasattenuation_1km dBZe 大気減衰 (1km)
integrated_gaseous_attenuation ) (1km) (CPR_L2a_ECO)
attribute
 nray, nbin float
GRID_temperature_1km K 気温 (1km)
temperature
attribute
 nray, nbin float
GRID_pressure_1km hPa 気圧 (1km)
pressure
attribute
 nray, nbin float
GRID_relativeHumidity_1km % 相対湿度 (1km)
relative humidity
attribute
 nray, nbin float
GRID_specificHumidity_1km kg/kg 比湿 (1km)
specific humidity
attribute
 nray, nbin float
ice_effective_radius_10km_uncertainty % 氷粒子有効半径不確定性 (10km)
uncertainty (ice effective radius) (10km)
attribute
 nray, nbin float
ice_effective_radius_1km_uncertainty % 氷粒子有効半径不確定性 (1km)
uncertainty (ice effective radius) (1km)
attribute
 nray, nbin float
water_effective_radius_10km_uncertainty % 水粒子有効半径不確定性 (10km)
uncertainty (liquid effective radius) (10km)
attribute
 nray, nbin float
water_effective_radius_1km_uncertainty % 水粒子有効半径不確定性 (1km)
uncertainty (liquid effective radius) (1km)
attribute
 nray, nbin float
ice_water_content_10km_uncertainty % 氷水量の不確定性 (10km)
uncertainty (ice water content) (10km)
attribute
 nray, nbin float
ice_water_content_1km_uncertainty % 氷水量の不確定性 (1km)
uncertainty (ice water content) (1km)
attribute
 nray, nbin float
liquid_water_content_10km_uncertainty % 雲水量不確定性 (10km)
uncertainty (liquid water content) (10km)
attribute
 nray, nbin float
liquid_water_content_1km_uncertainty % 雲水量不確定性 (1km)
uncertainty (liquid water content) (1km)
attribute
 nray, nbin float
L2_quality_flag_10km - L2品質フラグ (10km)
attribute
 nray int
L2_quality_flag_1km - L2品質フラグ (1km)
attribute
 nray int
quality_flag_10km - 品質フラグ (10km)
attribute
 nray, nbin, 10 int
quality_flag_1km - 品質フラグ (1km)
attribute
 nray, nbin, 10 int
Geo   　 　 　
day_night_flag - 昼夜フラグ
0: night, 1: day
(CPR_L2a_ECO: day_night_flag)
attribute
 nray int
height m 高度
(20km- -500m, 100m resolution)
attribute
 nray float
land_water_flag - 陸水フラグ
0: water, 1: land
(CPR_L2a_ECO: land_water_flag)
attribute
 nray int
latitude degree_north 緯度
(CPR_L2a_ECO: latitude)
attribute
 nray double
longitude degree_east 経度
(CPR_L2a_ECO: longitude)
attribute
 nray double
surface_elevation m 地表面高度 (CPR_L2a_ECO: surface_elevation_1km)
attribute
 nray float
time seconds since 2000-1-1 00:00:00.0 0:00 観測時刻
(CPR_L2a_ECO: time)
attribute
 nray double
Geo/Scan Time   　 　 　
DayOfMonth - 日数/月
attribute
 nray byte
DayOfYear - 日数/年
attribute
 nray short
Hour - 時間
attribute
 nray byte
MilliSecond - ミリ秒
attribute
 nray float
Minute - 分
attribute
 nray byte
Month - 月
attribute
 nray byte
Second - 秒
attribute
 nray byte
SecondOfDay - 秒数/日
attribute
 nray int
Year - 年
attribute
 nray 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。