Dirk Rieke-Zapp

Dirk Rieke-Zapp
AICON 3D Systems GmbH · Scanner Innovation Center

Doctor of Philosophy

About

61
Publications
18,216
Reads
How we measure 'reads'
A 'read' is counted each time someone views a publication summary (such as the title, abstract, and list of authors), clicks on a figure, or views or downloads the full-text. Learn more
1,422
Citations
Additional affiliations
October 2012 - December 2012
Hochschule Mainz
Position
  • PostDoc Position
October 2002 - September 2012
Universität Bern
Position
  • Oberassistent
October 1998 - December 2002
Purdue University
Position
  • Research Assistant
Description
  • PhD Research

Publications

Publications (61)
Article
Full-text available
Understanding the spatial pattern of erosion in inter-rill and rill areas can be useful in locating sources of sediment and in determining down-slope sediment delivery. However, spatial information about erosion processes in the inter-rill and rill areas under field conditions is often limited owing to the non-availability of a detailed microtopogr...
Conference Paper
Full-text available
The following paper describes the possibilities of additive manufacturing technology for small-series production of specialised measurement solutions for research and industry by means of the upgrade of a conventional medium format system camera for the photogrammetric solution ALPA 12 add|metric. Particular attention is paid to the description of...
Article
To the fundamental paper of Sir John Beazley in 1929 we owe the classification of Attic head vases of archaic/classical time. He categorized the vases in the form of human heads in twenty groups and a miscellaneous list, according to the depicted figure and the stylistic development of the face. The vast majority of the Attic pottery was thrown by...
Article
Full-text available
Several hundred attic head vases are known worldwide and stored in museums and collections. In 1929, Beazley has categorized twenty groups (A-W) based on stylistic properties and historic methodology. Head vases are assembled in several steps, most important for our comparison is the moulding of the head area. While the other parts of head vases li...
Article
Full-text available
3D digitisation has been instrumental in the cultural heritage domain for over a decade, contributing to the digital preservation and dissemination of cultural heritage. Still, the typical 3D acquisition workflow remains complex and time-consuming. This work presents the concept of predictive digitisation by means of a platform, aiming to speed-up...
Article
Full-text available
Human footprints in the painted cave of Pech-Merle, France, have been investigated by archaeologists since the 1920s with state-of-the-art methods of the given time. Science always provided tool kits to analyse the information about individuals imprinted into the ground. However, the old human method of expert track reading has first been employed...
Poster
Full-text available
This exploratory, interdisciplinary case study of ancient Roman silver coins involved examination and digitization of two test coins. Various non-invasive imaging and analytical techniques were applied to identify and examine the properties and features of the coins, and to compare and evaluate the methods and multimodal results.
Article
The ability to understand gully erosion development is closely related to our ability to quantify the morphology of gullies. At present, various technologies are at hand to collect data at increasing levels of detail. However, many of the developed technologies are time-consuming, difficult to apply or expensive. As an alternative, image-based mode...
Article
Full-text available
River incision is fundamental in shaping the Earth's surface. In mountainous regions with steep river beds, fluvial bedrock erosion by bedload transport is an important mechanism forming channels. However, there are only few complete field datasets that can be used to improve process understanding and evaluate erosion models, especially at the proc...
Conference Paper
Full-text available
Consecrated in 1297 as the monastery church of the four years earlier founded St. Catherine’s monastery, the Gothic Church of St. Catherine was largely destroyed in a devastating bombing raid on January 2nd 1945. To counteract the process of disintegration, the departments of geo-information and lower monument protection authority of the City of Nu...
Article
In this paper we present a simple and efficient method to measure soil surface roughness in an agricultural environment. With the deployed system one can generate digital surface models (DSMs) with a minimum size of 1 × 2.5 m2 extendable to any desired size. Using this approach, we generated a set of 22 DSM with sizes ranging from 2.5 m2 to 4 m2 an...
Article
Full-text available
While long term erosion rates of bedrock material may be estimated by dating methods, current day erosion rates are - if at all available - based on rough estimates or on point measurements. Precise quantification of short term erosion rates are required to improve our understanding of short term processes, for input in landscape evolution models,...
Article
Full-text available
With the UK gaining responsibility for Commission V at the Beijing Congress in 2008, there was an opportunity to create a new working group focusing on earth science applications at close range. The earth science community has had a long tradition of using close range photogrammetry, and more recently laser scanning, and such opportunities have not...
Article
While long term erosion rates may be estimated by dating methods, current day erosion rates are - if at all available - based on rough estimates or on point measurements. Precise quantification of short term erosion rates are required to improve our understanding of short term processes, for input in landscape evolution models, as well as for study...
Article
Full-text available
Many geomorphological processes act slowly. To advance the understanding of important processes like river incision as inputs for landscape evolution modelling, there is need for high precision measurements. In this context two stone slabs installed flush with the stream bed of a mountain torrent are monitored following flood events to relate erosi...
Article
River incision and coupled hillslope evolution is fundamental in shaping the earth surface. In mountainous regions with steep river beds, bedrock erosion by fluvial sediment transport is an important mechanism forming channels. Jointed rocks are prone to plucking, and in massive rocks abrasion is the dominant erosion process. However, there is only...
Article
Full-text available
The necessity for monitoring geo-risk areas such as rock slides is growing due to the increasing probability of such events caused by environmental change. Life with threat becomes to a calculable risk by geodetic deformation monitoring. An in-depth monitoring concept with modern measurement technologies allows the estimation of the hazard potentia...
Article
This study explores the relationship between channel changes, sediment transport and flood magnitude for an approximately 65 km2 large drainage basin (Grosse Entlen) located at the northern border of the Central Swiss Alps (Luzern area). In the study area, the retreat of the Alpine glaciers at the end of the Last Glacial Maximum (LGM) caused base l...
Article
With this poster we present a simple and efficient method to measure soil surface roughness in an agricultural environment. Micro scale soil surface roughness is a crucial parameter in many environmental applications. In recent studies it is strongly recognized that soil surface roughness significantly influences the backscatter of agricultural sur...
Article
Full-text available
Headcuts are prominent features in the southwestern United States. Within the Walnut Gulch Experimental Watershed (WGEW) survey data was available to quantify the retreat of the three most prominent headcuts in sub-watershed 63.011 from 1935 to 2006. The headcuts serve as major sediment sources and were investigated to identify and understand facto...
Poster
The difficulty in measuring hydraulic erosion processes during runoff events at field condition necessitates the use of spatial topographic and micro-topographic factors to characterize rill initiation. Yet, the spatial rill formation and development are poorly understood at field condition where these factors are more complex, and occur at differe...
Article
A total of 15 rainfall simulation experiments were conducted in a 1 m by 2 m box varying slope (10, 20, 30%) and rainfall intensity (60, 90, 120 mm h−1). The experiments were performed to study how rill networks initiate and evolve over time under controlled conditions with regard to the treatment variables considered, and to allow for input in a c...
Article
The Alpa 12 Metric, a medium-format digital camera system, is presented along with an accuracy assessment in accordance with VDI/VDE 2634 (2002). The camera combines the advantages of a modular medium-format camera system with high accuracy in object space. Camera calibration revealed a maximum length measurement error of 0·043 mm for a lens with m...
Article
Full-text available
Understanding the spatial pattern of erosion in inter-rill and rill areas can be useful in locating sources of sediment and in determining down-slope sediment delivery. However, spatial information about erosion processes in the inter-rill and rill areas under field conditions is often limited owing to the non-availability of a detailed microtopogr...
Conference Paper
Full-text available
Rockfalls and landslides are major types of natural hazards worldwide that kill or injure a large number of individuals and cause very high costs every year. Risk assessment of such dangerous events requires an accurate evaluation of the geology, hydrogeology, morphology and interrelated factors such as environmental conditions and human activities...
Book
Full-text available
In the last years, Artificial Intelligence (AI) has become an essential tech- nique for solving complex problems in Engineering Geodesy. AI is an ex- tremely broad field – the topics rage from the understanding of the nature of intelligence to the understanding of knowledge representation and deduc- tion processes, eventually resulting in the const...
Article
The quantification of earth surface processes in the geosciences requires precise measurement tools. Typical applications for precise measurement systems involve deformation monitoring for geo-risk management, detection of erosion rates, etc. Often employed for such applications are laser scanners, photogrammetric sensors and image-assisted tacheom...
Article
Full-text available
Photogrammetry is often considered one of the most precise and versatile surveying techniques. The same camera and analysis software can be used for measurements from sub-millimetre to kilometre scale. Such a measurement device is well suited for application by earth scientists working in the field. In this case a small toolset and a straight forwa...
Article
Full-text available
Micro scale soil surface roughness is a crucial parameter in many environmental applications. Recent soil erosion studies have shown the impact of micro topography on soil erosion rates as well as overland flow generation due to soil crusting effects. Besides the above mentioned, it is widely recognized that the backscattered signal in SAR remote s...
Poster
Rill initiation is geomorphologically important as sediment transport rates increase rapidly once rill incision occurs. It is controlled by slope steepness, contributing area and surface microtopography. Rill initiation has been predicted using inverse relation between unit contributing area and critical slope gradient. However, research results in...
Article
The northern segment of the Peruvian Andes is affected by a twofold climate with measurable implications on landscapes and landscape dynamics. During ‘normal’ or ‘neutral’ years easterly winds bring rain from the Atlantic and the Amazon Basin to the Sierras, which results in a seasonal climate with rather low-intensity precipitations. In contrast,...
Article
This paper presents qualitative estimates of sediment discharge from opposite valley flanks in the S–N-oriented Val Lumnezia, eastern Swiss Alps, and relates inferred differences in sediment flux to the litho-tectonic architecture of bedrock. The valley flank on the western side hosts the deep-seated Lumnezia landslide where an area of ca. 30 km2 h...
Article
Full-text available
A vast bajada consisting of coalescing low-gradient (<0.3 degrees) alluvial fans exceeding 100 km in length formed along the southwestern margin of the Oman Mountains. It comprises an old fan sequence of inferred Miocene to Pliocene age termed Barzaman Formation, diagenetically highly altered to dolomitic clays, and a thin veneer of weakly cemented...
Conference Paper
Full-text available
Understanding the spatial pattern of erosion in the interrill and rill areas can be useful to locate sources of sediment and to determine the sediment delivery down slope. However, the spatial information of erosion processes in the rill-interrill areas at field condition is limited due to the requirement of detail micro-topographic measurements. T...
Article
The 9.5 km2 Illgraben catchment, located in the Rhône valley in the Central Alps of Switzerland, is one of the most active debris flow torrents in the Alps. In this paper we present sediment yield data collected in 2006 for segments where hillslopes and channels form a fully connected network and contrast these with sediment yields measured for dis...
Article
Recent tests on the geometric stability of several digital cameras that were not designed for photogrammetric applications have shown that the accomplished accuracies in object space are either limited or that the accuracy potential is not exploited to the fullest extent. A total of 72 calibrations were calculated with four different software produ...
Article
A crucial issue in process geomorphology is the search for the scale and the extent to which precipitation, and climate in general, influences the nature and the rates of sediment transfer (weathering, erosion, sediment transport and deposition). We present an analysis of the possible interplay between precipitation, weathering and denudation rates...
Article
A photogrammetric method is presented for mapping rock outcrops and other objects in the field. Special attention was paid to simplifying the workflow and to minimising extra bulk and weight of the required equipment while maximising the accuracy of the survey. The minimum equipment needed for the surveys added less than 0·5 kg to the backpack of a...
Article
A new approach to quantify microstructures of coarse-grained marbles is presented. This technique is based on the intensity of light reflectance in dependence of the crystallographic orientation of calcite grains. The technique setup consists of a high-resolution camera, a strong light source and the polished sample in reflection position. Microstr...
Article
Full-text available
In Ethiopia rill erosion is widely observed on every parcel of agricultural lands, particularly in the Northern part. However, there is lack of information on the spatial formation of rills along the slope that can be used for the planning and design of erosion control measures. The presented investigation was carried out to determine critical rill...
Article
While long term erosion rates may be estimated by dating methods, current day erosion rates are - if at all available - based on rough estimates or on point measurements. Precise quantification of short term erosion rates are required to improve our understanding of short term processes, for input in landscape evolution models, as well as for study...
Article
This study explores the effects of hillslope mass failure on the sediment flux in the Waldemme drainage basin, Central Swiss Alps, over decadal time scales. This area is characterized by abundant landslides affecting principally flysch units and is therefore an important sediment source. The analysis concentrates on the Schimbrig landslide that pot...
Article
Full-text available
The accuracy of object reconstruction was tested for six high quality digital cameras. Nikon D80, D200, D2X and D3 with the same 24 mm Nikon lens, a Canon EOS 5D with a normal as well as a stabilized 35 mm Canon lens and an Alpa 12 WA with special fixation of a digital camera back and lens were evaluated. All cameras were investigated on a test cub...
Article
We propose three partly unrelated stages in the geodynamic evolution of the Alps and the sedimentary response of the Molasse Basin. The first stage comprises the time interval between ca. 35 and 20 Ma and is characterized by a high ratio between rates of crustal accretion and surface erosion. The response of the Molasse Basin was a change from the...
Article
Geomorphic and morphometric data imply that process rates of the Schimbrig landslide, located in the Entle watershed (Central Switzerland), are still limited by the elevation of the LGM base level. At present, the Entle watershed is in a stage of adjusting to the lowered post-glacial base level as indicated by knick zones in the trunk stream. Some...
Article
Rock fragments can act as a controlling factor for erosional rates and patterns in the landscape. Thus, the objective of this study is to better understand the role that rock fragments incorporated into the soil matrix play in concentrated flow hydraulics and erosion. Laboratory flume experiments were conducted with soil material that was mixed wit...
Article
Full-text available
The accuracy of object reconstruction was tested with two medium format cameras made by ALPA of Switzerland. Both cameras have been equipped with a 33 megapixel Leaf Aptus 75 digital camera back and a 47 mm focal length Schneider Apo-Digitar lens. The first test was carried out with the lens in "normal" position. In the second test, the principal p...
Article
Full-text available
Data on soil erosion at the slope scale is essentially limited to experiments on uniform slopes. The objective of this research was to measure the rates and patterns of erosion on complex shaped slope elements under controlled laboratory conditions where surface morphology changes could be carefully quantified. Artificial rainfall was applied for 9...
Article
Many of the processes involved in soil erosion have dimensions on the millimetre scale. Modelling and quantification of such processes require information on soil surface topography with adequate resolution. The purpose of this study was to generate digital elevation models (DEMs) from soil surfaces with high spatial and temporal resolution. Digita...
Article
A digital photogrammetric technique was developed and applied to generate DEMs with high spatial and temporal resolution of soil surfaces. DEMs of a rainfall simulation study in a 4 m by 4 m soil box were produced. The study was prepared to investigate the influence of flow convergence and divergence on soil surfaces with different slope shapes. Fi...
Article
Full-text available
Digital Elevation Models of soil surfaces are used in soil erosion research for a better understanding of erosion processes. Non-contacting techniques are used to avoid disturbance of the soil surface. So called laser scanners are used to obtain high-resolution grids (1 mm²/grid cell) from soil surfaces (up to 16 m²). The scanning devices are movin...
Article
Full-text available
In recent times more attention in research has been given to the role rock fragments play in soil erosion. The demand to focus on the interaction between fine particles and rock fragments, and their effects on soil loss, has increased because these types of soils are ubiquitous. Therefore, a study with twenty flume experiments was conducted in whic...
Article
We report our experiences with a medium-format camera by ALPA of Switzerland that can be used with digital camera backs. First results with a 22 megapixel Leaf Valeo Wi back reveal high accuracy of object reconstruction, checked with calibrated scale bars in a test field (according to VDI/VDE Richtlinie 2634).
Article
Full-text available
Kurzfassung: Für die Konzeption von Maßnahmen zum Erosionsschutz ist die Be- schaffenheit des Bodens ein wesentlicher Aspekt. Digitale Modelle von Bodenoberflä- chen mit bis zu 1 mm Grundauflösung (Mikrorelief) werden benötigt, um Bodenerosi- onsprozesse zu visualisieren und zu quantifizieren. Die Verwendung photogrammetrischer Verfahren, z.B. Lase...
Article
Full-text available
Photogrammetry is a well established tool in the earth sciences for retrieval of qualitative as well as quantitative information from imagery. In the past, analysis was predominantly performed on publicly available or archival imagery taken by trained photogrammetrists. In this case mission planning, image acquisition, camera calibration, and image...

Network

Cited By

Projects

Projects (5)
Project
This project explores the human impact vs. climate change on erosion and fine sediment transfer in the Upper Rhône drainage basin, from the sediment sources to their main final deposition in Lake Geneva. http://www.hyd.ifu.ethz.ch/forschung/research-projects/large-collaborative-projects/sinergia-sedfate.html