Atacama Field Campaign: laboratory and in-situ measurements for remote sensing applications
This work presents the preliminary results of the first field calibration campaign performed in the Atacama Desert, Chile, between the 18 and 22 August 2014, called the Atacama Field Campaign (ATAFIC 2014). In situ measurements were performed in order to spectrally characterize the surface reflectan...
| Main Authors: | , , , , , |
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| Format: | Article |
| Language: | English |
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Taylor & Francis Group
2019-01-01
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| Series: | International Journal of Digital Earth |
| Subjects: | |
| Online Access: | http://dx.doi.org/10.1080/17538947.2018.1450901 |
| _version_ | 1827811210928586752 |
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| author | Cristian Mattar Andrés Santamaría-Artigas Flavio Ponzoni Cibele T. Pinto Carolina Barrientos Glynn Hulley |
| author_facet | Cristian Mattar Andrés Santamaría-Artigas Flavio Ponzoni Cibele T. Pinto Carolina Barrientos Glynn Hulley |
| author_sort | Cristian Mattar |
| collection | DOAJ |
| description | This work presents the preliminary results of the first field calibration campaign performed in the Atacama Desert, Chile, between the 18 and 22 August 2014, called the Atacama Field Campaign (ATAFIC 2014). In situ measurements were performed in order to spectrally characterize the surface reflectance spectra between 0.3 and 2.5 µm, radiometric temperature (8.0–14.0 µm) and atmospheric measurements. A soil sample was collected and analyzed using Fourier Transform Infrared Spectroscopy and X-Ray Diffraction techniques to characterize the surface reflectance spectra and mineralogical composition, respectively. ASTER land surface emissivity in addition to GOES, MODIS and Landsat-8 land surface temperature (LST) were also used. Results showed that the spectral features of the Atacama soil and the characteristics of this geographical zone, which is featured as the most hyper-arid and cloudless place in the world, make this area a potential target for surface reflectance characterization. Day and night LST comparison between field and remote sensing data are lower than 2 K and the Root Mean Square Error for land surface emissivity is close to 2%. This work opens the possibilities to consider the Atacama Desert as a reference target for calibration and validation activities for earth observation missions’ purposes. |
| first_indexed | 2024-03-11T23:02:03Z |
| format | Article |
| id | doaj.art-da6e70bfa6b54f2fb1a0e49aa3d98198 |
| institution | Directory Open Access Journal |
| issn | 1753-8947 1753-8955 |
| language | English |
| last_indexed | 2024-03-11T23:02:03Z |
| publishDate | 2019-01-01 |
| publisher | Taylor & Francis Group |
| record_format | Article |
| series | International Journal of Digital Earth |
| spelling | doaj.art-da6e70bfa6b54f2fb1a0e49aa3d981982023-09-21T14:38:06ZengTaylor & Francis GroupInternational Journal of Digital Earth1753-89471753-89552019-01-01121436110.1080/17538947.2018.14509011450901Atacama Field Campaign: laboratory and in-situ measurements for remote sensing applicationsCristian Mattar0Andrés Santamaría-Artigas1Flavio Ponzoni2Cibele T. Pinto3Carolina Barrientos4Glynn Hulley5University of ChileUniversity of MarylandInstituto Nacional de Pesquisas Espaciais (INPE)Instituto Nacional de Pesquisas Espaciais (INPE)Chilean Air ForceCalifornia Institute of TechnologyThis work presents the preliminary results of the first field calibration campaign performed in the Atacama Desert, Chile, between the 18 and 22 August 2014, called the Atacama Field Campaign (ATAFIC 2014). In situ measurements were performed in order to spectrally characterize the surface reflectance spectra between 0.3 and 2.5 µm, radiometric temperature (8.0–14.0 µm) and atmospheric measurements. A soil sample was collected and analyzed using Fourier Transform Infrared Spectroscopy and X-Ray Diffraction techniques to characterize the surface reflectance spectra and mineralogical composition, respectively. ASTER land surface emissivity in addition to GOES, MODIS and Landsat-8 land surface temperature (LST) were also used. Results showed that the spectral features of the Atacama soil and the characteristics of this geographical zone, which is featured as the most hyper-arid and cloudless place in the world, make this area a potential target for surface reflectance characterization. Day and night LST comparison between field and remote sensing data are lower than 2 K and the Root Mean Square Error for land surface emissivity is close to 2%. This work opens the possibilities to consider the Atacama Desert as a reference target for calibration and validation activities for earth observation missions’ purposes.http://dx.doi.org/10.1080/17538947.2018.1450901atacamaspectroradiometryemissivitytemperaturesurface reflectance |
| spellingShingle | Cristian Mattar Andrés Santamaría-Artigas Flavio Ponzoni Cibele T. Pinto Carolina Barrientos Glynn Hulley Atacama Field Campaign: laboratory and in-situ measurements for remote sensing applications International Journal of Digital Earth atacama spectroradiometry emissivity temperature surface reflectance |
| title | Atacama Field Campaign: laboratory and in-situ measurements for remote sensing applications |
| title_full | Atacama Field Campaign: laboratory and in-situ measurements for remote sensing applications |
| title_fullStr | Atacama Field Campaign: laboratory and in-situ measurements for remote sensing applications |
| title_full_unstemmed | Atacama Field Campaign: laboratory and in-situ measurements for remote sensing applications |
| title_short | Atacama Field Campaign: laboratory and in-situ measurements for remote sensing applications |
| title_sort | atacama field campaign laboratory and in situ measurements for remote sensing applications |
| topic | atacama spectroradiometry emissivity temperature surface reflectance |
| url | http://dx.doi.org/10.1080/17538947.2018.1450901 |
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