1 resultado para Telecom wavelengths
em Publishing Network for Geoscientific
Filtro por publicador
- Aberystwyth University Repository - Reino Unido (1)
- AMS Tesi di Laurea - Alm@DL - Università di Bologna (1)
- Aquatic Commons (4)
- Archive of European Integration (3)
- Archivo Digital para la Docencia y la Investigación - Repositorio Institucional de la Universidad del País Vasco (2)
- Aston University Research Archive (7)
- Avian Conservation and Ecology - Eletronic Cientific Hournal - Écologie et conservation des oiseaux: (1)
- Biblioteca Digital da Produção Intelectual da Universidade de São Paulo (3)
- Biblioteca Digital da Produção Intelectual da Universidade de São Paulo (BDPI/USP) (22)
- Biblioteca Digital de la Universidad del Valle - Colombia (1)
- Biblioteca Digital de Teses e Dissertações Eletrônicas da UERJ (7)
- Bibloteca do Senado Federal do Brasil (77)
- BORIS: Bern Open Repository and Information System - Berna - Suiça (6)
- Boston University Digital Common (2)
- Brock University, Canada (3)
- CaltechTHESIS (25)
- Cámara de Comercio de Bogotá, Colombia (1)
- Cambridge University Engineering Department Publications Database (63)
- CentAUR: Central Archive University of Reading - UK (62)
- Chinese Academy of Sciences Institutional Repositories Grid Portal (207)
- Cochin University of Science & Technology (CUSAT), India (25)
- Comissão Econômica para a América Latina e o Caribe (CEPAL) (2)
- CORA - Cork Open Research Archive - University College Cork - Ireland (9)
- Dalarna University College Electronic Archive (2)
- Deakin Research Online - Australia (33)
- DI-fusion - The institutional repository of Université Libre de Bruxelles (1)
- DigitalCommons@University of Nebraska - Lincoln (1)
- DRUM (Digital Repository at the University of Maryland) (1)
- Duke University (11)
- eResearch Archive - Queensland Department of Agriculture; Fisheries and Forestry (2)
- FUNDAJ - Fundação Joaquim Nabuco (1)
- Glasgow Theses Service (1)
- Greenwich Academic Literature Archive - UK (1)
- Helda - Digital Repository of University of Helsinki (6)
- Indian Institute of Science - Bangalore - Índia (71)
- INSTITUTO DE PESQUISAS ENERGÉTICAS E NUCLEARES (IPEN) - Repositório Digital da Produção Técnico Científica - BibliotecaTerezine Arantes Ferra (1)
- Instituto Politécnico do Porto, Portugal (1)
- Lume - Repositório Digital da Universidade Federal do Rio Grande do Sul (4)
- Massachusetts Institute of Technology (1)
- Plymouth Marine Science Electronic Archive (PlyMSEA) (3)
- Portal de Revistas Científicas Complutenses - Espanha (2)
- Publishing Network for Geoscientific & Environmental Data (1)
- QSpace: Queen's University - Canada (1)
- QUB Research Portal - Research Directory and Institutional Repository for Queen's University Belfast (100)
- Queensland University of Technology - ePrints Archive (33)
- ReCiL - Repositório Científico Lusófona - Grupo Lusófona, Portugal (3)
- Repositório Científico do Instituto Politécnico de Lisboa - Portugal (2)
- Repositório digital da Fundação Getúlio Vargas - FGV (6)
- Repositório Digital da UNIVERSIDADE DA MADEIRA - Portugal (2)
- Repositório Institucional da Universidade de Aveiro - Portugal (2)
- Repositorio Institucional de la Universidad de Málaga (1)
- Repositório Institucional UNESP - Universidade Estadual Paulista "Julio de Mesquita Filho" (93)
- RUN (Repositório da Universidade Nova de Lisboa) - FCT (Faculdade de Cienecias e Technologia), Universidade Nova de Lisboa (UNL), Portugal (15)
- SAPIENTIA - Universidade do Algarve - Portugal (3)
- Universidad del Rosario, Colombia (4)
- Universidad Politécnica de Madrid (6)
- Universidade Federal do Pará (10)
- Universidade Federal do Rio Grande do Norte (UFRN) (5)
- Universitat de Girona, Spain (1)
- Universitätsbibliothek Kassel, Universität Kassel, Germany (7)
- Université de Lausanne, Switzerland (1)
- Université de Montréal, Canada (11)
- Université Laval Mémoires et thèses électroniques (1)
- University of Michigan (1)
- WestminsterResearch - UK (1)
Resumo:
Spectral albedo in high resolution, from 290 to 1050 nm, has been measured at Neumayer, Antarctica, (70°39' S, 8°15' W) during the austral summer 2003/2004. At 500 nm, the spectral albedo nearly reaches unity, with slightly lower values below and above 500 nm. Above 600 nm, the spectral albedo decreases to values between 0.45 and 0.75 at 1000 nm. For one cloudless case an albedo up to 1.01 at 500 nm could be determined. This can be explained by the larger directional component of the snow reflectivity for direct incidence, combined with a slightly mislevelled sensor and the snow surface not being perfectly horizontal. A possible explanation for an observed decline in albedo is an increase in snow grain size. The theoretically predicted increase in albedo with increasing solar zenith angle (SZA) could not be observed. This is explained by the small range of SZA during albedo measurements, combined with the effect of changing snow conditions outweighing the effect of changing SZA. The measured spectral albedo serves as input for radiative transfer models, describing radiation conditions in Antarctica.