The effect of climate change on the mobility and stability of coastal sand dunes in Ceará State (NE Brazil)
Bibliographic Data
| ID | 24088136 |
|---|---|
| Authors | Haim Tsoar (0000-0002-9491-4772, Ben-Gurion University of the Negev, corresponding author), Noam Levin (0000-0002-9434-7501, Hebrew University of Jerusalem), Naomi Porat (0000-0002-5900-2460, Geological Survey of Israel), Luís Parente Maia (0000-0003-3109-4030), Hans J Herrmann (0000-0002-9561-0826), Sonia H Tatumi, Sonia Tatumi (0000-0002-4990-4444, São Paulo State Technological College), Vanda Claudino-Sales (0000-0002-9252-0729, Universidade Federal do Ceará) |
| Year | 2009 |
| Volume | 71 |
| Issue | 2 |
| Pages | 217-226 |
| Publication date | 2009-03-01 |
| Peer Reviewed | Yes |
| Open Access | Yes |
| Type | ARTICLE |
| Venue | Quaternary Research (JOURNAL) |
| Journal identifiers | ISSN: 0033-5894 • E-ISSN: 1096-0287 |
| Publisher | Cambridge University Press (CUP) (PUBLISHER) |
| DOI | 10.1016/j.yqres.2008.12.001 |
| OpenAlex | W2135065426 |
| Language | EN |
| Citations received | 8 |
| References cited | 38 |
The coast of Ceará State in NE Brazil is covered by vast fields of active and stabilized coastal sand dunes. Its tropical climate is characterized by two seasons, wet and dry, with wind intensity determined by the meridional shift of the Intertropical Convergence Zone. The wind power is negatively correlated with precipitation, and precipitation is negatively correlated with the difference between sea surface temperatures of the tropical Atlantic north and south of the equator. We present a model suggesting that during the Late Pleistocene wind power determined the mobility and stability of the dunes. Sand dunes accumulated during periods of high wind power (as it is today) and stabilized when wind power was low. Once the dunes were stabilized by vegetation they could not be activated even by increased wind power. Samples that were taken for luminescence dating from 25 stabilized dunes along the coasts of Ceará gave ages ranging from135 ka to
Aeolian processes · Climatology · Geography · Geomorphology · Intertropical Convergence Zone · Meteorology · Precipitation · Prevailing winds · Sand dune stabilization · Aeolian processes and effects · Geological formations and processes · Geology · Geology and Paleoclimatology Research · Oceanography
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| Unique citing works | 8 |
|---|---|
| Citations per year | 0,5 |
| Citation span | 2010 - 2022 (13) |
| Citation velocity | historical |
| Highly cited | No |
| Citation types | Neutral: 6 |