Zobrazeno 1 - 10
of 86
pro vyhledávání: '"Wiggs, G"'
Autor:
Delorme, P., Nield, J. M., Wiggs, G. F. S., Baddock, M. C., Bristow, N. R., Best, J. L., Christensen, K. T., Claudin, P.
Publikováno v:
Geophysical Research Letters, e2022GL101553 (2023)
Sand patches are one of the precursors to early-stage protodunes and occur widely in both desert and coastal aeolian environments. Here we show field evidence of a mechanism to explain the initiation of sand patches on non-erodible surfaces, such as
Externí odkaz:
http://arxiv.org/abs/2302.09895
Wind topographically forced by hills and sand dunes accelerates on the upwind (stoss) slopes and reduces on the downwind (lee) slopes. This secondary wind regime, however, possesses a subtle effect, reported here for the first time from field measure
Externí odkaz:
http://arxiv.org/abs/1205.4411
Publikováno v:
Physical Review X
From fairy circles to patterned ground and columnar joints, natural patterns spontaneously appear in many complex geophysical settings. Here, we investigate the origins of polygonally patterned crusts of salt playa and salt pans. These beautifully re
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::eb5fd4d1c63fa170b170a8f7b5217ffa
https://doi.org/10.1103/physrevx.13.011025
https://doi.org/10.1103/physrevx.13.011025
Akademický článek
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Akademický článek
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Publikováno v:
Scientific Reports, Vol 7, Iss 1, Pp 1-12 (2017)
Drylands are home to over 2 billion people globally, many of whom use the land for agricultural and pastoral activities. These vulnerable livelihoods could be disrupted if desert dunefields become more active in response to climate and land use chang
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::36082de677c647f6bb4eebb8ab23d6ce
https://doaj.org/article/162c12c7a4e04037b8eeee6a3f264c8a
https://doaj.org/article/162c12c7a4e04037b8eeee6a3f264c8a
Akademický článek
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Publikováno v:
Earth Surface Processes and Landforms. 43(3)
Research into global hot-spots of dust emission has focused on exposed fine-grained sediments in palaeo- or ephemeral dryland lake basins including Etosha (Namibia) and Makgadikgadi (Botswana) in southern Africa. Namibia's western ephemeral river val
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::da133d71906744885d0b2908d6e168b8
http://ora.ox.ac.uk/objects/uuid:
http://ora.ox.ac.uk/objects/uuid:
Publikováno v:
Earth Surface Processes and Landforms. 42(12)
Western Namibia is a significant global source of atmospheric mineral dust. We investigate the relationship between dust and source sediments, assessing the sustainability of dust flux. Remote sensing studies (Vickery and Eckhardt, 2013) have highlig
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::12bcbb0cb114aeaa9d965bdc292512dd
http://ora.ox.ac.uk/objects/uuid:
http://ora.ox.ac.uk/objects/uuid:
Avalanche (grainflow) processes are fundamental drivers of dune morphodynamics and are typically initiated by grainfall accumulations. In sedimentary systems, however, the dynamism between grainfall and grainflow remains unspecified because simple me
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::7f1e4a6188aa98bf57be317d1c7db387
https://eprints.soton.ac.uk/404500/
https://eprints.soton.ac.uk/404500/