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Brief communication: An empirical relation between center frequency and measured thickness for radar sounding of temperate glaciers
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| Zeitschriftentitel: | The Cryosphere |
|---|---|
| Personen und Körperschaften: | , , , , , |
| In: | The Cryosphere, 15, 2021, 6, S. 2569-2574 |
| Format: | E-Article |
| Sprache: | Englisch |
| veröffentlicht: |
Copernicus GmbH
|
| Schlagwörter: |
| author_facet |
MacGregor, Joseph A. Studinger, Michael Arnold, Emily Leuschen, Carlton J. Rodríguez-Morales, Fernando Paden, John D. MacGregor, Joseph A. Studinger, Michael Arnold, Emily Leuschen, Carlton J. Rodríguez-Morales, Fernando Paden, John D. |
|---|---|
| author |
MacGregor, Joseph A. Studinger, Michael Arnold, Emily Leuschen, Carlton J. Rodríguez-Morales, Fernando Paden, John D. |
| spellingShingle |
MacGregor, Joseph A. Studinger, Michael Arnold, Emily Leuschen, Carlton J. Rodríguez-Morales, Fernando Paden, John D. The Cryosphere Brief communication: An empirical relation between center frequency and measured thickness for radar sounding of temperate glaciers Earth-Surface Processes Water Science and Technology |
| author_sort |
macgregor, joseph a. |
| spelling |
MacGregor, Joseph A. Studinger, Michael Arnold, Emily Leuschen, Carlton J. Rodríguez-Morales, Fernando Paden, John D. 1994-0424 Copernicus GmbH Earth-Surface Processes Water Science and Technology http://dx.doi.org/10.5194/tc-15-2569-2021 <jats:p>Abstract. Radar sounding of the thickness of temperate glaciers is challenged by substantial volume scattering, surface scattering and high attenuation rates. Lower-frequency radar sounders are often deployed to mitigate these effects, but the lack of a global synthesis of their success limits progress in system and survey design. Here we extend a recent global compilation of glacier thickness measurements (GlaThiDa) with the center frequency for radar-sounding surveys. From a maximum reported thickness of ∼ 1500 m near 1 MHz, the maximum thickness sounded decreases by ∼ 500 m per frequency decade. Between 25–100 MHz, newer airborne radar sounders generally outperform older, ground-based ones. Based on globally modeled glacier thicknesses, we conclude that a multi-element, ≤30 MHz airborne radar sounder could survey most temperate glaciers more efficiently. </jats:p> Brief communication: An empirical relation between center frequency and measured thickness for radar sounding of temperate glaciers The Cryosphere |
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| title |
Brief communication: An empirical relation between center frequency and measured thickness for radar sounding of temperate glaciers |
| title_unstemmed |
Brief communication: An empirical relation between center frequency and measured thickness for radar sounding of temperate glaciers |
| title_full |
Brief communication: An empirical relation between center frequency and measured thickness for radar sounding of temperate glaciers |
| title_fullStr |
Brief communication: An empirical relation between center frequency and measured thickness for radar sounding of temperate glaciers |
| title_full_unstemmed |
Brief communication: An empirical relation between center frequency and measured thickness for radar sounding of temperate glaciers |
| title_short |
Brief communication: An empirical relation between center frequency and measured thickness for radar sounding of temperate glaciers |
| title_sort |
brief communication: an empirical relation between center frequency and measured thickness for radar sounding of temperate glaciers |
| topic |
Earth-Surface Processes Water Science and Technology |
| url |
http://dx.doi.org/10.5194/tc-15-2569-2021 |
| publishDate |
2021 |
| physical |
2569-2574 |
| description |
<jats:p>Abstract. Radar sounding of the thickness of temperate glaciers is
challenged by substantial volume scattering, surface scattering and high
attenuation rates. Lower-frequency radar sounders are often deployed to
mitigate these effects, but the lack of a global synthesis of their success
limits progress in system and survey design. Here we extend a recent global
compilation of glacier thickness measurements (GlaThiDa) with the center
frequency for radar-sounding surveys. From a maximum reported thickness of
∼ 1500 m near 1 MHz, the maximum thickness sounded decreases
by ∼ 500 m per frequency decade. Between 25–100 MHz, newer
airborne radar sounders generally outperform older, ground-based ones. Based
on globally modeled glacier thicknesses, we conclude that a multi-element,
≤30 MHz airborne radar sounder could survey most temperate glaciers
more efficiently.
</jats:p> |
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| author | MacGregor, Joseph A., Studinger, Michael, Arnold, Emily, Leuschen, Carlton J., Rodríguez-Morales, Fernando, Paden, John D. |
| author_facet | MacGregor, Joseph A., Studinger, Michael, Arnold, Emily, Leuschen, Carlton J., Rodríguez-Morales, Fernando, Paden, John D., MacGregor, Joseph A., Studinger, Michael, Arnold, Emily, Leuschen, Carlton J., Rodríguez-Morales, Fernando, Paden, John D. |
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| description | <jats:p>Abstract. Radar sounding of the thickness of temperate glaciers is challenged by substantial volume scattering, surface scattering and high attenuation rates. Lower-frequency radar sounders are often deployed to mitigate these effects, but the lack of a global synthesis of their success limits progress in system and survey design. Here we extend a recent global compilation of glacier thickness measurements (GlaThiDa) with the center frequency for radar-sounding surveys. From a maximum reported thickness of ∼ 1500 m near 1 MHz, the maximum thickness sounded decreases by ∼ 500 m per frequency decade. Between 25–100 MHz, newer airborne radar sounders generally outperform older, ground-based ones. Based on globally modeled glacier thicknesses, we conclude that a multi-element, ≤30 MHz airborne radar sounder could survey most temperate glaciers more efficiently. </jats:p> |
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| spelling | MacGregor, Joseph A. Studinger, Michael Arnold, Emily Leuschen, Carlton J. Rodríguez-Morales, Fernando Paden, John D. 1994-0424 Copernicus GmbH Earth-Surface Processes Water Science and Technology http://dx.doi.org/10.5194/tc-15-2569-2021 <jats:p>Abstract. Radar sounding of the thickness of temperate glaciers is challenged by substantial volume scattering, surface scattering and high attenuation rates. Lower-frequency radar sounders are often deployed to mitigate these effects, but the lack of a global synthesis of their success limits progress in system and survey design. Here we extend a recent global compilation of glacier thickness measurements (GlaThiDa) with the center frequency for radar-sounding surveys. From a maximum reported thickness of ∼ 1500 m near 1 MHz, the maximum thickness sounded decreases by ∼ 500 m per frequency decade. Between 25–100 MHz, newer airborne radar sounders generally outperform older, ground-based ones. Based on globally modeled glacier thicknesses, we conclude that a multi-element, ≤30 MHz airborne radar sounder could survey most temperate glaciers more efficiently. </jats:p> Brief communication: An empirical relation between center frequency and measured thickness for radar sounding of temperate glaciers The Cryosphere |
| spellingShingle | MacGregor, Joseph A., Studinger, Michael, Arnold, Emily, Leuschen, Carlton J., Rodríguez-Morales, Fernando, Paden, John D., The Cryosphere, Brief communication: An empirical relation between center frequency and measured thickness for radar sounding of temperate glaciers, Earth-Surface Processes, Water Science and Technology |
| title | Brief communication: An empirical relation between center frequency and measured thickness for radar sounding of temperate glaciers |
| title_full | Brief communication: An empirical relation between center frequency and measured thickness for radar sounding of temperate glaciers |
| title_fullStr | Brief communication: An empirical relation between center frequency and measured thickness for radar sounding of temperate glaciers |
| title_full_unstemmed | Brief communication: An empirical relation between center frequency and measured thickness for radar sounding of temperate glaciers |
| title_short | Brief communication: An empirical relation between center frequency and measured thickness for radar sounding of temperate glaciers |
| title_sort | brief communication: an empirical relation between center frequency and measured thickness for radar sounding of temperate glaciers |
| title_unstemmed | Brief communication: An empirical relation between center frequency and measured thickness for radar sounding of temperate glaciers |
| topic | Earth-Surface Processes, Water Science and Technology |
| url | http://dx.doi.org/10.5194/tc-15-2569-2021 |