Produk data MCD19A1 Versi 6.1 adalah produk Level 2 berpetak yang dihasilkan setiap hari pada resolusi 500 meter dan 1 kilometer, yang merupakan produk gabungan Moderate Resolution Imaging Spectroradiometer (MODIS) Terra dan Aqua, serta Faktor Reflektansi Bidireksional (BRF) Permukaan Tanah. Untuk mengetahui informasi selengkapnya, lihat
panduan pengguna MAIAC.
Band
Ukuran Piksel 1.000 meter
Band
Nama
Min
Maks
Skala
Ukuran Piksel
Deskripsi
Sur_refl1
-100
16000
0,0001
meter
Reflektansi permukaan pada 500 m untuk band 1.
Sur_refl2
-100
16000
0,0001
meter
Reflektansi permukaan pada 500 m untuk band 2.
Sur_refl3
-100
16000
0,0001
meter
Reflektansi permukaan pada 500 m untuk band 3.
Sur_refl4
-100
16000
0,0001
meter
Reflektansi permukaan pada 500 m untuk band 4.
Sur_refl5
-100
16000
0,0001
meter
Reflektansi permukaan pada 500 m untuk band 5.
Sur_refl6
-100
16000
0,0001
meter
Reflektansi permukaan pada 500 m untuk band 6.
Sur_refl7
-100
16000
0,0001
meter
Reflektansi permukaan pada 500 m untuk band 7.
Sur_refl8
-100
16000
0,0001
meter
Reflektansi permukaan pada 1 km untuk band 8.
Sur_refl9
-100
16000
0,0001
meter
Pantulan permukaan pada 1 km untuk band 9.
Sur_refl10
-100
16000
0,0001
meter
Reflektansi permukaan pada 1 km untuk band 10.
Sur_refl11
-100
16000
0,0001
meter
Reflektansi permukaan pada 1 km untuk band 11.
Sur_refl12
-100
16000
0,0001
meter
Reflektansi permukaan pada 1 km untuk band 12.
Sigma_BRFn1
-100
16000
0,0001
meter
Ketidakpastian BRFn dari waktu ke waktu pada jarak 1 km, untuk band 1
Sigma_BRFn2
-100
16000
0,0001
meter
Ketidakpastian BRFn dari waktu ke waktu pada jarak 1 km, untuk band 2
Status_QA
meter
Bit QA
Bitmask untuk Status_QA
Bit 0-2: Masker awan
0: Belum ditentukan
1: Hapus
2: Kemungkinan berawan (terdeteksi oleh filter AOD)
3: Berawan (terdeteksi oleh algoritma masker awan)
5: Bayangan awan
6: Titik panas kebakaran
7: Sedimen air
Bit 3-4: Masker salju/es air daratan
0: Daratan
1: Air
2: Salju
3: Es
Bit 5-7: Masker kedekatan
0: Kondisi normal/Bersih
1: Berdekatan dengan awan
2: Dikelilingi lebih dari 4 piksel berawan
3: Berdekatan dengan satu piksel berawan
4: Berdekatan dengan salju
5: Salju sebelumnya terdeteksi di piksel ini
Bit 8: Level AOD
0: AOD rendah (<=0,6)
1: AOD tinggi (> 0,6) atau tidak ditentukan
Bit 9-10: Jenis AOD
0: Aerosol latar belakang
1: Asap
2: Debu
Bit 11: BRF diambil alih salju dengan asumsi AOD = 0,05
0: tidak
1: ya
Bit 12: Ketinggian >4,2 km (darat)/3,5 km (air), BRF diambil menggunakan
klimatologi AOD =0,02
0: tidak
1: ya
Bit 13-15: Masker Perubahan Permukaan
0: Tidak ada perubahan
1: Perubahan reguler Hijau naik (Perubahan relatif pada BRF yang dinormalisasi nadir Red dan NIR lebih dari 5% tetapi kurang dari 15%).
2: Perubahan besar Hijau naik (Perubahan relatif dalam BRF yang dinormalisasi nadir Merah dan NIR lebih dari 15%).
3: Senescence perubahan reguler
4: Perubahan besar Senescence
cosSZA
0
10000
0,0001
meter
Kosinus sudut zenit Matahari (resolusi 5 km)
cosVZA
0
10000
0,0001
meter
Sudut zenit tampilan kosinus (resolusi 5 km)
RelAZ
-18000
18000
0,01
meter
Sudut azimut relatif (resolusi 5 km)
Scattering_Angle
-18000
18000
0,01
meter
Sudut hamburan (resolusi 5 km)
SAZ
-18000
18000
0,01
meter
Sudut Azimut Matahari (resolusi 5 km)
VAZ
-18000
18000
0,01
meter
Melihat Sudut Azimuth (resolusi 5 km)
Glint_Angle
-18000
18000
0,01
meter
Sudut kilau (resolusi 5 km)
Fv
-100
100
meter
Kernel volumetrik RTLS (resolusi 5 km)
Fg
-100
100
meter
Kernel geometris RTLS (resolusi 5 km)
Persyaratan Penggunaan
Persyaratan Penggunaan
Data dan produk MODIS yang diperoleh melalui LP DAAC tidak memiliki batasan pada penggunaan, penjualan, atau redistribusi berikutnya.
Produk data MCD19A1 Versi 6.1 adalah produk Level 2 berpetak yang dihasilkan setiap hari pada resolusi 500 meter dan 1 kilometer, yang merupakan produk gabungan Faktor Reflektansi Bidireksional (BRF) Permukaan Tanah Moderate Resolution Imaging Spectroradiometer (MODIS) Terra dan Aqua. Untuk mengetahui informasi selengkapnya, lihat panduan pengguna MAIAC.
[null,null,[],[[["\u003cp\u003eMCD19A1 V6.1 provides daily land surface reflectance data at 500m and 1km resolutions from MODIS Terra and Aqua satellites.\u003c/p\u003e\n"],["\u003cp\u003eThe dataset includes surface reflectance bands, quality assessment information, and angular parameters.\u003c/p\u003e\n"],["\u003cp\u003eData is available from December 21, 2000, to December 10, 2024, and is provided by NASA LP DAAC at the USGS EROS Center.\u003c/p\u003e\n"],["\u003cp\u003eThis dataset is freely available for use, with no restrictions on subsequent use, sale, or redistribution.\u003c/p\u003e\n"],["\u003cp\u003eUsers can access and analyze the data using Google Earth Engine.\u003c/p\u003e\n"]]],[],null,["Dataset Availability\n: 2000-12-21T00:00:00Z--2025-08-27T23:35:00Z\n\nDataset Provider\n:\n\n\n [NASA LP DAAC at the USGS EROS Center](https://doi.org/10.5067/MODIS/MCD19A1.061)\n\nCadence\n: 1 Day\n\nTags\n:\n[aerosol](/earth-engine/datasets/tags/aerosol) [aod](/earth-engine/datasets/tags/aod) [aqua](/earth-engine/datasets/tags/aqua) [daily](/earth-engine/datasets/tags/daily) [global](/earth-engine/datasets/tags/global) [maiac](/earth-engine/datasets/tags/maiac) [modis](/earth-engine/datasets/tags/modis) [nasa](/earth-engine/datasets/tags/nasa) [satellite-imagery](/earth-engine/datasets/tags/satellite-imagery) [terra](/earth-engine/datasets/tags/terra) [usgs](/earth-engine/datasets/tags/usgs) \n\nDescription \nThe MCD19A1 Version 6.1 data product is a Moderate Resolution Imaging\nSpectroradiometer (MODIS) Terra and Aqua combined Land Surface Bidirectional\nReflectance Factor (BRF) gridded Level 2 product produced daily at 500 meter\nand 1 kilometer resolution. For more information see the\n[MAIAC user guide](https://lpdaac.usgs.gov/documents/1500/MCD19_User_Guide_V61.pdf).\n\nBands\n\n\n**Pixel Size**\n\n1000 meters\n\n**Bands**\n\n| Name | Min | Max | Scale | Pixel Size | Description |\n|--------------------|--------|-------|--------|------------|------------------------------------------------|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|\n| `Sur_refl1` | -100 | 16000 | 0.0001 | meters | Surface reflectance at 500m for band 1. |\n| `Sur_refl2` | -100 | 16000 | 0.0001 | meters | Surface reflectance at 500m for band 2. |\n| `Sur_refl3` | -100 | 16000 | 0.0001 | meters | Surface reflectance at 500m for band 3. |\n| `Sur_refl4` | -100 | 16000 | 0.0001 | meters | Surface reflectance at 500m for band 4. |\n| `Sur_refl5` | -100 | 16000 | 0.0001 | meters | Surface reflectance at 500m for band 5. |\n| `Sur_refl6` | -100 | 16000 | 0.0001 | meters | Surface reflectance at 500m for band 6. |\n| `Sur_refl7` | -100 | 16000 | 0.0001 | meters | Surface reflectance at 500m for band 7. |\n| `Sur_refl8` | -100 | 16000 | 0.0001 | meters | Surface reflectance at 1km for band 8. |\n| `Sur_refl9` | -100 | 16000 | 0.0001 | meters | Surface reflectance at 1km for band 9. |\n| `Sur_refl10` | -100 | 16000 | 0.0001 | meters | Surface reflectance at 1km for band 10. |\n| `Sur_refl11` | -100 | 16000 | 0.0001 | meters | Surface reflectance at 1km for band 11. |\n| `Sur_refl12` | -100 | 16000 | 0.0001 | meters | Surface reflectance at 1km for band 12. |\n| `Sigma_BRFn1` | -100 | 16000 | 0.0001 | meters | BRFn uncertainty over time at 1km, for band 1 |\n| `Sigma_BRFn2` | -100 | 16000 | 0.0001 | meters | BRFn uncertainty over time at 1km, for band 2 |\n| `Status_QA` | | | | meters | QA bits |\n| Bitmask for Status_QA - Bits 0-2: Cloud mask - 0: Undefined - 1: Clear - 2: Possibly cloudy (detected by AOD filter) - 3: Cloudy (detected by cloud mask algorithm) - 5: Cloud shadow - 6: Hot spot of fire - 7: Water sediments - Bits 3-4: Land water snow/ice mask - 0: Land - 1: Water - 2: Snow - 3: Ice - Bits 5-7: Adjacency mask - 0: Normal condition/Clear - 1: Adjacent to clouds - 2: Surrounded by more than 4 cloudy pixels - 3: Adjacent to a single cloudy pixel - 4: Adjacent to snow - 5: Snow was previously detected in this pixel - Bit 8: AOD level - 0: AOD is low (\\\u003c=0.6) - 1: AOD is high (\\\u003e 0.6) or undefined - Bits 9-10: AOD Type - 0: Background aerosol - 1: Smoke - 2: Dust - Bit 11: BRF retrieved over snow assuming AOD = 0.05 - 0: no - 1: yes - Bit 12: Altitude \\\u003e4.2km (land)/3.5km (water), BRF is retrieved using climatology AOD =0.02 - 0: no - 1: yes - Bits 13-15: Surface Change Mask - 0: No change - 1: Regular change Green up (Relative change in Red and NIR nadir-normalized BRF is more than 5% but less than 15%). - 2: Big change Green up (Relative change in Red and NIR nadir-normalized BRF is more than 15%). - 3: Regular change Senescence - 4: Big change Senescence ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||\n| `cosSZA` | 0 | 10000 | 0.0001 | meters | Cosine of Solar zenith angle (5 km resulution) |\n| `cosVZA` | 0 | 10000 | 0.0001 | meters | Cosine view zenith angle (5 km resolution) |\n| `RelAZ` | -18000 | 18000 | 0.01 | meters | Relative azimuth angle (5 km resolution) |\n| `Scattering_Angle` | -18000 | 18000 | 0.01 | meters | Scattering angle (5 km resolution) |\n| `SAZ` | -18000 | 18000 | 0.01 | meters | Solar Azimuth Angle (5 km resolution) |\n| `VAZ` | -18000 | 18000 | 0.01 | meters | View Azimuth Angle (5 km resolution) |\n| `Glint_Angle` | -18000 | 18000 | 0.01 | meters | Glint angle (5 km resolution) |\n| `Fv` | -100 | 100 | | meters | RTLS volumetric kernel (5 km resolution) |\n| `Fg` | -100 | 100 | | meters | RTLS geometric kernel (5 km resolution) |\n\nTerms of Use\n\n**Terms of Use**\n\nMODIS data and products acquired through the LP DAAC\nhave no restrictions on subsequent use, sale, or redistribution.\n\nCitations \nCitations:\n\n- Please visit [LP DAAC 'Citing Our Data' page](https://lpdaac.usgs.gov/citing_our_data)\n for information on citing LP DAAC datasets.\n\nDOIs\n\n- \u003chttps://doi.org/10.5067/MODIS/MCD19A1.061\u003e\n\nExplore with Earth Engine **Important:** Earth Engine is a platform for petabyte-scale scientific analysis and visualization of geospatial datasets, both for public benefit and for business and government users. Earth Engine is free to use for research, education, and nonprofit use. To get started, please [register for Earth Engine access.](https://console.cloud.google.com/earth-engine)\n\nCode Editor (JavaScript) \n\n```javascript\nvar collection = ee.ImageCollection('MODIS/061/MCD19A1_GRANULES')\n .select('Sur_refl1')\n .filterDate('2000-01-01', '2000-03-07');\n\nvar band_viz = {\n min: 0,\n max: 1100,\n palette: ['black', 'blue', 'purple', 'cyan', 'green', 'yellow', 'red']\n};\n\nMap.addLayer(collection.mean(), band_viz, 'Surface Bidirectional Reflectance Factor');\nMap.setCenter(76, 13, 6);\n```\n[Open in Code Editor](https://code.earthengine.google.com/?scriptPath=Examples:Datasets/MODIS/MODIS_061_MCD19A1_GRANULES) \n[MCD19A1.061: Land Surface BRF Daily L2G Global 500m and 1km](/earth-engine/datasets/catalog/MODIS_061_MCD19A1_GRANULES) \nThe MCD19A1 Version 6.1 data product is a Moderate Resolution Imaging Spectroradiometer (MODIS) Terra and Aqua combined Land Surface Bidirectional Reflectance Factor (BRF) gridded Level 2 product produced daily at 500 meter and 1 kilometer resolution. For more information see the MAIAC user guide. \nMODIS/061/MCD19A1_GRANULES, aerosol,aod,aqua,daily,global,maiac,modis,nasa,satellite-imagery,terra,usgs \n2000-12-21T00:00:00Z/2025-08-27T23:35:00Z \n-90 -180 90 180 \nGoogle Earth Engine \nhttps://developers.google.com/earth-engine/datasets\n\n- [https://doi.org/10.5067/MODIS/MCD19A1.061](https://doi.org/https://doi.org/10.5067/MODIS/MCD19A1.061)\n- [https://doi.org/10.5067/MODIS/MCD19A1.061](https://doi.org/https://developers.google.com/earth-engine/datasets/catalog/MODIS_061_MCD19A1_GRANULES)"]]
