John Lewin
Dados Biográficos
| ID | 3753569 |
|---|---|
| NOME | John Lewin |
| PRENOMES | John |
| SOBRENOME | Lewin |
| ASSINATURA | LEWIN J |
| AFILIAÇÕES | Aberystwyth University |
| ORCID | 0000-0002-2386-6048 |
| VERIFICADO | Sim |
| TOTAL DE OBRAS | 18 |
| TOTAL DE CITAÇÕES | 75 |
| TOTAL COMO AUTOR | 18 |
| TOTAL COMO EDITOR | 0 |
| PRIMEIRO ANO DE PUBLICAÇÃO | 1967 |
| ANO MAIS RECENTE DE PUBLICAÇÃO | 2023 |
| ÍNDICE H | 5 |
River science
Integrated river science provides decision-making life-skills for individuals and communities facing environmental change; it is a variant of critical physical geography through its socio-political dimensions. As an example, the frequency and magnitude of river flooding are amplified by climate change: society needs to understand how to cope through learning, adaptative behaviour and planning. Choices should be informed by trusted science that ca…
Big ideas in the geography curriculum
Big ideas, sometimes referred to as key, core, fundamental or threshold concepts, are widely applicable concepts at the heart of disciplines that are or have been central and influential for their fields. Attention here is particularly directed to meta-concepts common to sister disciplines in the sciences. “Learning thresholds”, “powerful knowledge” and their meanings are singled out for discussion having become widely relevant to geography. Othe…
UK programmes for HE physical geography
Competing influences and pressures on areas of HE and the content of new AL syllabi suggest a need for curriculum reconsideration. We analyse, from institutional website data, the present provision of physical geography in 77 UK institutions providing undergraduate learning in geography. The extent of compulsory modules gives an indication of programme structure: compulsory modules average 65%, no first-year choice is offered in 58% of programmes…
Evolving curricula and syllabi – challenges for physical geography
Recent technological changes in communications, in research and in learning and teaching styles should prompt developments in approaches to physical geography curricula. This paper questions whether there has been sufficient open discussion of such curricula and those that have been set nationally. Developments in England and Wales over more than fifty years provide the context for the present situation, which is considered according to types of …
Anthropogenic alluvium
The English floodplain
English floodplains are platforms for flood risk vulnerability; they are varied in form and in the timing of their development, both naturally and in terms of human occupation. An understanding of floodplain generation is one of the diverse research areas that can contribute towards effective flood mitigation efforts. The performance of remedial measures like catchment sediment management, flood embanking and channel dredging need to be evaluated…
Flood series data for the later Holocene
Flood sediments characterise the alluvial record, though the series of floods these deposits record is a complex one because of variable deposition in different alluvial subenvironments. To date, flood sequences in the UK have been analysed using upland boulder berms, vertically accreting fills in contracting channels, cutoff fills and flood basin deposits. These cover different timespans ranging from c. 100—300 yr (berms and channel fills) to a …
Medieval environmental impacts and feedbacks
Because of their varying channel styles (braided, meandering, and anastomosing) medieval lowland floodplains in England and Wales provided varying opportunities for defense, settlement, river crossing, and resource exploitation. In turn, these activities altered the character of channels and floodplains, with medieval and later development obscuring the former variety of floodplains themselves. The changing nature of river floodplains is reviewed…
Past hydrological events reflected in the Holocene fluvial record of Europe
Pervasive and long-term forcing of Holocene river instability and flooding in Great Britain by centennial-scale climate change
This paper presents the first probability-based record of flooding in Europe that spans the entire Holocene. An analysis of 506 14 C dated fluvial units collected across the whole of Great Britain provides a novel and robust methodology for improving flood risk assessment by geographically and temporally extending the record of extreme flood events. Sixteen episodes of increased flooding occurrence are identified, 12 of which (at c. 11 160, 5730,…
Changing River Channels
Partial table of contents: Changing River Channels: The Geographical Tradition (G. Petts). TEMPORAL AND SPATIAL DIMENSIONS. Changes of River Channels in Europe During the Holocene (L. Starkel). Channel Networks: Progress in the Study of Spatial and Temporal Variations of Drainage Density (V. Gardiner). Channel Cross-Sectional Change (C. Park). PROCESSES OF CHANGE. Bedload Transport and Changing Grain Size Distributions (B. Gomez). Catchment Sedim…
Late Quaternary Fluvial Sedimentation in the Voidomatis Basin, Epirus, Northwest Greece
Detailed morpho- and lithostratigraphic investigations, allied with radiometric dating, in the Voidomatis basin, Epirus, northwest Greece, have identified four Quaternary terraced alluvial fills that range from middle Pleistocene to historic in age. Major-periods of alluviation during the late Quaternary were associated with valley glaciation (ca. 26,000–20,000 yr B.P.) and subsequent deglaciation (ca. 20,000–15,000 yr B.P.) in the Pindus Mountai…
The “older fill” of the voidomatis valley, North-west Greece and its relationship to the Palaeolithic archaeology and glacial history of the region
Geomorphological Techniques
Man and Environmental Processes
British Rivers
Timescales in Geomorphology
Aeschylus, The House of Atreus
Timescales in Geomorphology
Pervasive and long-term forcing of Holocene river instability and flooding in Great Britain by centennial-scale climate change
This paper presents the first probability-based record of flooding in Europe that spans the entire Holocene. An analysis of 506 14 C dated fluvial units collected across the whole of Great Britain provides a novel and robust methodology for improving flood risk assessment by geographically and temporally extending the record of extreme flood events. Sixteen episodes of increased flooding occurrence are identified, 12 of which (at c. 11 160, 5730,…
Anthropogenic alluvium
Medieval environmental impacts and feedbacks
Because of their varying channel styles (braided, meandering, and anastomosing) medieval lowland floodplains in England and Wales provided varying opportunities for defense, settlement, river crossing, and resource exploitation. In turn, these activities altered the character of channels and floodplains, with medieval and later development obscuring the former variety of floodplains themselves. The changing nature of river floodplains is reviewed…
Changing River Channels
Partial table of contents: Changing River Channels: The Geographical Tradition (G. Petts). TEMPORAL AND SPATIAL DIMENSIONS. Changes of River Channels in Europe During the Holocene (L. Starkel). Channel Networks: Progress in the Study of Spatial and Temporal Variations of Drainage Density (V. Gardiner). Channel Cross-Sectional Change (C. Park). PROCESSES OF CHANGE. Bedload Transport and Changing Grain Size Distributions (B. Gomez). Catchment Sedim…
The “older fill” of the voidomatis valley, North-west Greece and its relationship to the Palaeolithic archaeology and glacial history of the region
Geomorphological Techniques
UK programmes for HE physical geography
Competing influences and pressures on areas of HE and the content of new AL syllabi suggest a need for curriculum reconsideration. We analyse, from institutional website data, the present provision of physical geography in 77 UK institutions providing undergraduate learning in geography. The extent of compulsory modules gives an indication of programme structure: compulsory modules average 65%, no first-year choice is offered in 58% of programmes…
Evolving curricula and syllabi – challenges for physical geography
Recent technological changes in communications, in research and in learning and teaching styles should prompt developments in approaches to physical geography curricula. This paper questions whether there has been sufficient open discussion of such curricula and those that have been set nationally. Developments in England and Wales over more than fifty years provide the context for the present situation, which is considered according to types of …
The English floodplain
English floodplains are platforms for flood risk vulnerability; they are varied in form and in the timing of their development, both naturally and in terms of human occupation. An understanding of floodplain generation is one of the diverse research areas that can contribute towards effective flood mitigation efforts. The performance of remedial measures like catchment sediment management, flood embanking and channel dredging need to be evaluated…
Flood series data for the later Holocene
Flood sediments characterise the alluvial record, though the series of floods these deposits record is a complex one because of variable deposition in different alluvial subenvironments. To date, flood sequences in the UK have been analysed using upland boulder berms, vertically accreting fills in contracting channels, cutoff fills and flood basin deposits. These cover different timespans ranging from c. 100—300 yr (berms and channel fills) to a …
River science
Integrated river science provides decision-making life-skills for individuals and communities facing environmental change; it is a variant of critical physical geography through its socio-political dimensions. As an example, the frequency and magnitude of river flooding are amplified by climate change: society needs to understand how to cope through learning, adaptative behaviour and planning. Choices should be informed by trusted science that ca…
Aeschylus, The House of Atreus
Timescales in Geomorphology
Geomorphological Techniques
Man and Environmental Processes
British Rivers
The “older fill” of the voidomatis valley, North-west Greece and its relationship to the Palaeolithic archaeology and glacial history of the region
Late Quaternary Fluvial Sedimentation in the Voidomatis Basin, Epirus, Northwest Greece
Detailed morpho- and lithostratigraphic investigations, allied with radiometric dating, in the Voidomatis basin, Epirus, northwest Greece, have identified four Quaternary terraced alluvial fills that range from middle Pleistocene to historic in age. Major-periods of alluviation during the late Quaternary were associated with valley glaciation (ca. 26,000–20,000 yr B.P.) and subsequent deglaciation (ca. 20,000–15,000 yr B.P.) in the Pindus Mountai…
Changing River Channels
Partial table of contents: Changing River Channels: The Geographical Tradition (G. Petts). TEMPORAL AND SPATIAL DIMENSIONS. Changes of River Channels in Europe During the Holocene (L. Starkel). Channel Networks: Progress in the Study of Spatial and Temporal Variations of Drainage Density (V. Gardiner). Channel Cross-Sectional Change (C. Park). PROCESSES OF CHANGE. Bedload Transport and Changing Grain Size Distributions (B. Gomez). Catchment Sedim…
Pervasive and long-term forcing of Holocene river instability and flooding in Great Britain by centennial-scale climate change
This paper presents the first probability-based record of flooding in Europe that spans the entire Holocene. An analysis of 506 14 C dated fluvial units collected across the whole of Great Britain provides a novel and robust methodology for improving flood risk assessment by geographically and temporally extending the record of extreme flood events. Sixteen episodes of increased flooding occurrence are identified, 12 of which (at c. 11 160, 5730,…
Past hydrological events reflected in the Holocene fluvial record of Europe
Flood series data for the later Holocene
Flood sediments characterise the alluvial record, though the series of floods these deposits record is a complex one because of variable deposition in different alluvial subenvironments. To date, flood sequences in the UK have been analysed using upland boulder berms, vertically accreting fills in contracting channels, cutoff fills and flood basin deposits. These cover different timespans ranging from c. 100—300 yr (berms and channel fills) to a …
Medieval environmental impacts and feedbacks
Because of their varying channel styles (braided, meandering, and anastomosing) medieval lowland floodplains in England and Wales provided varying opportunities for defense, settlement, river crossing, and resource exploitation. In turn, these activities altered the character of channels and floodplains, with medieval and later development obscuring the former variety of floodplains themselves. The changing nature of river floodplains is reviewed…
Anthropogenic alluvium
The English floodplain
English floodplains are platforms for flood risk vulnerability; they are varied in form and in the timing of their development, both naturally and in terms of human occupation. An understanding of floodplain generation is one of the diverse research areas that can contribute towards effective flood mitigation efforts. The performance of remedial measures like catchment sediment management, flood embanking and channel dredging need to be evaluated…
Evolving curricula and syllabi – challenges for physical geography
Recent technological changes in communications, in research and in learning and teaching styles should prompt developments in approaches to physical geography curricula. This paper questions whether there has been sufficient open discussion of such curricula and those that have been set nationally. Developments in England and Wales over more than fifty years provide the context for the present situation, which is considered according to types of …
UK programmes for HE physical geography
Competing influences and pressures on areas of HE and the content of new AL syllabi suggest a need for curriculum reconsideration. We analyse, from institutional website data, the present provision of physical geography in 77 UK institutions providing undergraduate learning in geography. The extent of compulsory modules gives an indication of programme structure: compulsory modules average 65%, no first-year choice is offered in 58% of programmes…
Big ideas in the geography curriculum
Big ideas, sometimes referred to as key, core, fundamental or threshold concepts, are widely applicable concepts at the heart of disciplines that are or have been central and influential for their fields. Attention here is particularly directed to meta-concepts common to sister disciplines in the sciences. “Learning thresholds”, “powerful knowledge” and their meanings are singled out for discussion having become widely relevant to geography. Othe…
River science
Integrated river science provides decision-making life-skills for individuals and communities facing environmental change; it is a variant of critical physical geography through its socio-political dimensions. As an example, the frequency and magnitude of river flooding are amplified by climate change: society needs to understand how to cope through learning, adaptative behaviour and planning. Choices should be informed by trusted science that ca…
Geography (15 obras) · Archaeology (8 obras) · Geology (8 obras) · Hydrology and Sediment Transport Processes (7 obras) · Geology and Paleoclimatology Research (6 obras) · Structural basin (6 obras) · Computer Science (5 obras) · Floodplain (5 obras) · Fluvial (5 obras) · Geology (5 obras)