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Interpretation of Holocene lake-level change from diatom assemblages in Lake Sidi Ali, Middle Atlas, Morocco

Research output: Contribution to Journal/Magazine › Journal article › peer-review

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Interpretation of Holocene lake-level change from diatom assemblages in Lake Sidi Ali, Middle Atlas, Morocco. / Barker, Philip; Roberts, N.; Lamb, H. F. et al.
In: Journal of Paleolimnology, Vol. 12, No. 3, 12.1994, p. 223-234.

Research output: Contribution to Journal/Magazine › Journal article › peer-review

Harvard

Barker, P, Roberts, N, Lamb, HF, Van Der Kaars, S & Benkaddour, A 1994, 'Interpretation of Holocene lake-level change from diatom assemblages in Lake Sidi Ali, Middle Atlas, Morocco', Journal of Paleolimnology, vol. 12, no. 3, pp. 223-234. https://doi.org/10.1007/BF00678022

APA

Barker, P., Roberts, N., Lamb, H. F., Van Der Kaars, S., & Benkaddour, A. (1994). Interpretation of Holocene lake-level change from diatom assemblages in Lake Sidi Ali, Middle Atlas, Morocco. Journal of Paleolimnology, 12(3), 223-234. https://doi.org/10.1007/BF00678022

Vancouver

Barker P, Roberts N, Lamb HF, Van Der Kaars S, Benkaddour A. Interpretation of Holocene lake-level change from diatom assemblages in Lake Sidi Ali, Middle Atlas, Morocco. Journal of Paleolimnology. 1994 Dec;12(3):223-234. doi: 10.1007/BF00678022

Author

Barker, Philip ; Roberts, N. ; Lamb, H. F. et al. / Interpretation of Holocene lake-level change from diatom assemblages in Lake Sidi Ali, Middle Atlas, Morocco. In: Journal of Paleolimnology. 1994 ; Vol. 12, No. 3. pp. 223-234.

Bibtex

@article{430cadaa8c2745168fc565f84ea12c11,
title = "Interpretation of Holocene lake-level change from diatom assemblages in Lake Sidi Ali, Middle Atlas, Morocco",
abstract = "While palaeohydrological changes in non-outlet lakes provide a key proxy indicator of past climatic fluctuations, for lake systems which have been chemically insensitive, it is necessary to use indicators of water depth rather than salinity to reconstruct their hydro- climatic histories. A study of diatoms in the modern sediments of Sidi Ali, a non-outlet lake in the Middle Atlas of Morocco, has shown a statistically significant correlation between water depth and the ratio of planktonic to littoral diatoms. This relationship is used to calibrate fossil diatom assemblages from a lake sediment core from the same lake to provide a quantitative index of water levels over the pastc. 6500 years. Palaeoecological evidence suggests that climatically induced hydrological variations have dominated the bulk of the mid-late Holocene lake sediment record, with significant human-induced catchment disturbance only occurring during the twentieth century. The pattern of water depth fluctuations suggests that the response time of the regional groundwater system to climatic forcing is <100>",
keywords = "diatoms , lake-level , Middle Atlas , Morocco , Holocene, Palaeohydrology",
author = "Philip Barker and N. Roberts and Lamb, {H. F.} and {Van Der Kaars}, S. and A. Benkaddour",
note = "1994 Interpretation of Holocene lake-level change from diatom assemblages in Lake Sidi Ali, Middle Atlas, Morocco",
year = "1994",
month = dec,
doi = "10.1007/BF00678022",
language = "English",
volume = "12",
pages = "223--234",
journal = "Journal of Paleolimnology",
issn = "0921-2728",
publisher = "Springer Netherlands",
number = "3",

}

RIS

TY - JOUR

T1 - Interpretation of Holocene lake-level change from diatom assemblages in Lake Sidi Ali, Middle Atlas, Morocco

AU - Barker, Philip

AU - Roberts, N.

AU - Lamb, H. F.

AU - Van Der Kaars, S.

AU - Benkaddour, A.

N1 - 1994 Interpretation of Holocene lake-level change from diatom assemblages in Lake Sidi Ali, Middle Atlas, Morocco

PY - 1994/12

Y1 - 1994/12

N2 - While palaeohydrological changes in non-outlet lakes provide a key proxy indicator of past climatic fluctuations, for lake systems which have been chemically insensitive, it is necessary to use indicators of water depth rather than salinity to reconstruct their hydro- climatic histories. A study of diatoms in the modern sediments of Sidi Ali, a non-outlet lake in the Middle Atlas of Morocco, has shown a statistically significant correlation between water depth and the ratio of planktonic to littoral diatoms. This relationship is used to calibrate fossil diatom assemblages from a lake sediment core from the same lake to provide a quantitative index of water levels over the pastc. 6500 years. Palaeoecological evidence suggests that climatically induced hydrological variations have dominated the bulk of the mid-late Holocene lake sediment record, with significant human-induced catchment disturbance only occurring during the twentieth century. The pattern of water depth fluctuations suggests that the response time of the regional groundwater system to climatic forcing is <100>

AB - While palaeohydrological changes in non-outlet lakes provide a key proxy indicator of past climatic fluctuations, for lake systems which have been chemically insensitive, it is necessary to use indicators of water depth rather than salinity to reconstruct their hydro- climatic histories. A study of diatoms in the modern sediments of Sidi Ali, a non-outlet lake in the Middle Atlas of Morocco, has shown a statistically significant correlation between water depth and the ratio of planktonic to littoral diatoms. This relationship is used to calibrate fossil diatom assemblages from a lake sediment core from the same lake to provide a quantitative index of water levels over the pastc. 6500 years. Palaeoecological evidence suggests that climatically induced hydrological variations have dominated the bulk of the mid-late Holocene lake sediment record, with significant human-induced catchment disturbance only occurring during the twentieth century. The pattern of water depth fluctuations suggests that the response time of the regional groundwater system to climatic forcing is <100>

KW - diatoms

KW - lake-level

KW - Middle Atlas

KW - Morocco

KW - Holocene

KW - Palaeohydrology

U2 - 10.1007/BF00678022

DO - 10.1007/BF00678022

M3 - Journal article

VL - 12

SP - 223

EP - 234

JO - Journal of Paleolimnology

JF - Journal of Paleolimnology

SN - 0921-2728

IS - 3

ER -