| Title: |
Mid- and far-infrared spectral signatures of mineral dust from low- to high-latitude regions: significance and implications |
| Authors: |
Di Biagio, Claudia; Bru, Elisa; Orta, Avila; Chevaillier, Servanne; Baldo, Clarissa; Bergé, Antonin; Cazaunau, Mathieu; Lafon, Sandra; Nowak, Sophie; Pangui, Edouard; Andreae, Meinrat, O; Dagsson-Waldhauserova, Pavla; Dintwe, Kebonyethata; Kandler, Konrad; King, James, S; Chaput, Amelie; Okin, Gregory, S; Piketh, Stuart; Saeed, Thuraya; Seibert, David; Shi, Zongbo; Williams, Earle; Sellitto, Pasquale; Formenti, Paola |
| Contributors: |
Laboratoire Interuniversitaire des Systèmes Atmosphériques (LISA (UMR_7583)); Institut national des sciences de l'Univers (INSU - CNRS)-Université Paris-Est Créteil Val-de-Marne - Paris 12 (UPEC UP12)-Centre National de la Recherche Scientifique (CNRS)-Université Paris Cité (UPCité); Laboratoire des Sciences du Climat et de l'Environnement Gif-sur-Yvette (LSCE); Université de Versailles Saint-Quentin-en-Yvelines (UVSQ)-Institut national des sciences de l'Univers (INSU - CNRS)-Université Paris-Saclay-Centre National de la Recherche Scientifique (CNRS)-Direction de Recherche Fondamentale (CEA) (DRF (CEA)); Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA); Chimie Atmosphérique Expérimentale (CAE); Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université de Versailles Saint-Quentin-en-Yvelines (UVSQ)-Institut national des sciences de l'Univers (INSU - CNRS)-Université Paris-Saclay-Centre National de la Recherche Scientifique (CNRS)-Direction de Recherche Fondamentale (CEA) (DRF (CEA)); Interfaces, Traitements, Organisation et Dynamique des Systèmes (ITODYS (UMR_7086)); Institut de Chimie - CNRS Chimie (INC-CNRS)-Centre National de la Recherche Scientifique (CNRS)-Université Paris Cité (UPCité); Max Planck Institute for Chemistry (MPIC); Max-Planck-Gesellschaft; King Saud University Riyadh (KSU); University of California San Diego (UC San Diego); University of California (UC); Agricultural University of Iceland; Czech University of Life Sciences Prague (CZU); University of Botswana (UB); Technische Universität Darmstadt - Technical University of Darmstadt Darmstadt (TU Darmstadt); Loughborough University; Université de Montréal (UdeM); National University of Singapore (NUS); North-West University Potchefstroom (NWU); Lakehead University; Augsburg University Augsburg College Minneapolis, MN, USA; University of Birmingham Birmingham; MIT Parsons Laboratory; Massachusetts Institute of Technology (MIT); Université Paris-Est Créteil Val-de-Marne - Faculté des sciences et technologie (UPEC FST); Université Paris-Est Créteil Val-de-Marne - Paris 12 (UPEC UP12); Istituto Nazionale di Geofisica e Vulcanologia - Sezione di Catania (INGV); Istituto Nazionale di Geofisica e Vulcanologia; Laboratoire d'Idées Santé Autonomie LISA (LISA) |
| Source: |
ISSN: 1680-7316. |
| Publisher Information: |
CCSD; European Geosciences Union |
| Publication Year: |
2026 |
| Collection: |
Université de Versailles Saint-Quentin-en-Yvelines: HAL-UVSQ |
| Subject Terms: |
[SDU.OCEAN]Sciences of the Universe [physics]/Ocean; Atmosphere; [SDU.ENVI]Sciences of the Universe [physics]/Continental interfaces; environment |
| Description: |
International audience ; Mineral dust absorbs and scatters solar and infrared radiation, thereby affecting the radiance spectrum at the surface and top-of-atmosphere and the atmospheric heating rate. While half of the outgoing thermal radiation is emitted in the far infrared (FIR, 15-100 µm), knowledge of the optical properties and thermal radiative effects of dust is currently limited to the mid-infrared region (MIR, 3-15 µm). In this study we performed pellet spectroscopy measurements to evaluate the MIR and FIR contribution to dust absorbance and explore the variability and spectral diversity of the dust signature within the 2.5-25 µm range. Thirteen dust samples re-suspended from parent soils with contrasting mineralogy were investigated, including low and mid latitude dust (LMLD) sources in Africa, America, Asia, and Middle East, and high latitude dust (HLD) from Iceland. |
| Document Type: |
article in journal/newspaper |
| Language: |
English |
| DOI: |
10.5194/acp-26-1079-2026 |
| Availability: |
https://hal.science/hal-05488667; https://hal.science/hal-05488667v1/document; https://hal.science/hal-05488667v1/file/acp-26-1079-2026.pdf; https://doi.org/10.5194/acp-26-1079-2026 |
| Rights: |
https://creativecommons.org/licenses/by/4.0/ ; info:eu-repo/semantics/OpenAccess |
| Accession Number: |
edsbas.D0310AE2 |
| Database: |
BASE |