New Zealand’s National Landslide Database

A New Zealand Landslide Database has been developed to hold all of New Zealand’s landslide data and provide factual data for use in landslide hazard and risk assessment, including a probabilistic landslide hazard model for New Zealand, which is currently being developed by GNS Science. Design of a national Landslide Database for New Zealand required consideration of existing landslide data stored in a variety of digital formats and future data yet to be collected. Pre-existing landslide datasets were developed and populated with data reflecting the needs of the landslide or hazard project, and the database structures of the time. Bringing these data into a single database required a new structure capable of containing landslide information at a variety of scales and accuracy, with many different attributes. A unified data model was developed to enable the landslide database to be a repository for New Zealand landslides, irrespective of scale and method of capture. Along with landslide locations, the database may contain information on the timing of landslide events, the type of landslide, the triggering event, volume and area data, and impacts (consequences) for each landslide when this information is available. Information from contributing datasets include a variety of sources including aerial photograph interpretation, field reconnaissance and media accounts. There are currently 22,575 landslide records in the database that include point locations, polygons of landslide source and deposit areas, and linear landslide features. Access to all landslide data is provided with a web application accessible via the Internet. This web application has been developed in-house and is based on open-source software such as the underlying relational database (PostGIS) and the map generating Web Map Server (GeoServer). Future work is to develop automated data-upload routines and mobile applications to allow people to report landslides, adopting a consistent framework.     

The Swedish Geotechnical Society’s methodology for risk management: a tool for engineers in their everyday work

The Swedish Geotechnical Society has adopted a general methodology for risk management in geotechnical engineering projects to reduce the costs related to negative outcomes of geotechnical risks. This technical note highlights the main features of the methodology and strives to inspire the international geotechnical community to apply sensible risk management methods. In the authors’ opinion, a successful geotechnical risk management needs to be structured, be tailored to the project, and permeate the engineers’ everyday work. Then, sufficient quality can be achieved in the project with larger probability.     

Latin American and Caribbean earthquakes in the GEM’s Earthquake Consequences Database (GEMECD)

Among the activities developed under the framework of the Global Earthquake Model, the development of a global consequences database was included. This was defined with the objective of serving as public repository of damages and losses, occurred on different types of elements because of a selected list of earthquakes with epicentres at varying locations around the globe, but also to be used as a benchmark for the development of vulnerability models that capture specific characteristics of the building typologies in each country. The online earthquakes consequences’ database has information on 71 events where 16 of them occurred in the Latin America and the Caribbean Region. A complete and comprehensive review and data gathering process were developed for these selected earthquakes accounting for different aspects and dimensions that were considered of interest, besides the physical damage, such as casualties, socio-economic implications, damages and disruptions in critical facilities and infrastructures, together with the occurrence of secondary events triggered by the ground shaking such as landslides and tsunamis. When possible, the damage and casualties were geo-located using a standardized approach and included in the database. The contributions of the Latin America and Caribbean Region to the database were at the same time a challenge and an opportunity to collect, review, put together and standardize, up to a certain point, damage data of previous earthquakes additionally of being a step forward in the field of open data.

     

Modeling households’ decisions on reconstruction of houses damaged by earthquakes––Japanese case study

In this study, households’ decisions on reconstruction of damaged houses were modeled, using questionnaire data in Japan. Characteristics of households’ decisions were investigated using parameter estimation results. The effects of subsidizing policy were evaluated as follows. First, subsidy for rebuilding may be effective for the households whose houses were heavily damaged. Second, there is a possibility that subsidy accelerated rebuilding of houses by the households having children. Third, subsidy for rebuilding may not be effective for elderly people’s households and households in depopulated areas.     

Maintaining domestic production through exports: the case of Japan’s metal forming machinery sector

Most advanced market economies have met difficulties retaining a manufacturing base. Domestic production remains important, however, given the downstream economic impacts of the manufacturing sector, including the advantages of export-base industries. In order to keep producing domestically, firms must persistently innovate and increasingly look to new markets. To explore the issue at greater length, this paper examines the case of Japan’s metal forming machinery industry, a key capital goods sector in terms of its criticality to overall durable goods manufacturing and its recent export success. This paper examines recent performance as an example of a successful industry that retains significant domestic production while simultaneously maintaining high export levels.     

China’s Progress in Prospecting for Concealed Deposits by Applying Geo-electrochemical Method

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Human injuries caused by Bangladesh’s cyclone sidr: an empirical study

The objectives of this paper are to examine the extent of human injuries caused by Cyclone Sidr, which made landfall in Bangladesh coast on November 15, 2007, and report on the circumstances, type and causes of injuries, along with selected risk factors associated with such injuries. Relevant data was collected through a questionnaire survey administered among the cyclone victims. Semi-structured interviews with key personnel were also conducted to obtain information regarding the circumstances causing injuries and public response to care for the injured. The questionnaire survey data reveals that among the respondent families, 132 persons sustained various types of injuries. Since the respondent families comprised of 1,443 members, the injury rate was 9.15%. All injured victims were treated either onsite or in local hospitals. The most common types of injuries were soft-tissue injuries (cuts, bruises, and scrapes) and fracture/dislocations. The most common causes of injuries for survivors were associated with falling trees. Analysis of risk factors reveals that age is significantly correlated with injuries. Both formal and informal interviews suggest that injured persons and their family members were in general pleased with medical response they received from various sources. Several recommendations have been suggested to reduce future cyclone-related injuries in Bangladesh.     

Major contribution to carbon neutrality by China’s geosciences and geological technologies

In the context of global climate change, geosciences provide an important geological solution to achieve the goal of carbon neutrality, China’s geosciences and geological technologies can play an important role in solving the problem of carbon neutrality. This paper discusses the main problems, opportunities, and challenges that can be solved by the participation of geosciences in carbon neutrality, as well as China’s response to them. The main scientific problems involved and the geological work carried out mainly fall into three categories: (1) Carbon emission reduction technology (natural gas hydrate, geothermal, hot dry rock, nuclear energy, hydropower, wind energy, solar energy, hydrogen energy); (2) carbon sequestration technology (carbon capture and storage, underground space utilization); (3) key minerals needed to support carbon neutralization (raw materials for energy transformation, carbon reduction technology). Therefore, geosciences and geological technologies are needed: First, actively participate in the development of green energy such as natural gas, geothermal energy, hydropower, hot dry rock, and key energy minerals, and develop exploration and exploitation technologies such as geothermal energy and natural gas; the second is to do a good job in geological support for new energy site selection, carry out an in-depth study on geotechnical feasibility and mitigation measures, and form the basis of relevant economic decisions to reduce costs and prevent geological disasters; the third is to develop and coordinate relevant departments of geosciences, organize and carry out strategic research on natural resources, carry out theoretical system research on global climate change and other issues under the guidance of earth system science theory, and coordinate frontier scientific information and advanced technological tools of various disciplines. The goal of carbon neutrality provides new opportunities and challenges for geosciences research. In the future, it is necessary to provide theoretical and technical support from various aspects, enhance the ability of climate adaptation, and support the realization of the goal of carbon peaking and carbon neutrality.     

The Geology and Tectonic Settings of China’s Mineral Deposits by Franco Pirajno

Springer Verlag,Berlin,2013,679 pp.ISBN:978-94-007-4443-1 China is the third largest country in the world,with a land area of about 9.6 million km2.It is endowed with abundant mineral resources,and the metal mining activity can be traced back to ca. 8000 years ago.However,due to language barrier,little has been known about the geology and tectonics to the outside world until     

Spatial scale and measuring segregation: illustrated by the formation of Chicago’s ghetto

Few studies of residential segregation in cities have directly addressed the issue of spatial scale, apart from noting that the traditional indices of segregation tend to be larger when calculated for small rather than large spatial units. That observation however ignores Duncan et al.’s (Statistical geography: problems in analyzing areal data. Free Press, Glencoe, 1961) explication that any measure of segregation at a fine-grained scale necessarily incorporates, to an unknown extent, segregation at a larger scale within which the finer-grained units are nested. To avoid that problem, a multi-level modelling perspective is introduced that identifies the intensity of segregation at each scale net of its intensity at any larger scale included in the analysis. It is applied to an analysis of the emergence of Chicago’s Black ghetto over the twentieth century’s first three decades, using data at the ward and ED scales. It shows that across Chicago as a whole segregation was equally as intense at the two scales, with statistically significant increases in that intensity at both scales across the three decades. At the finer scale, however, segregation was much more intense across the EDs within those wards that formed the core of the emerging ghetto than it was in the remainder of the city.     

Conservation by racialized dispossession: The making of an eco-destination on Honduras’s North Coast

Within the context of neoliberal conservation and ecotourism development, the Honduran state has prioritized the desires of foreign tourists and private investors over the needs of indigenous and black coastal inhabitants, and increasingly this is leading to state-sanctioned violence against marginalized groups. I use Peluso’s analytic of coercive conservation (1993) to show how conservation practice furthers the expansionist policies of the state and elite investors while simultaneously dehumanizing the indigenous peoples that depend on natural resources for their livelihoods. While Garífuna culture is central to Honduras’s ecotourism ambitions, their livelihoods, in the eyes of many developers and conservation NGOs, are a potential threat to the viability of the emerging tourism imaginary. Black and indigenous coastal inhabitants are valued for the cultural cache they add to regional tourism plans, yet denigrated for their inherent “backwardness” and presumed inability to respect the delicate ecosystems they inhabit. This imaginary authorizes material practices of racialized dispossession, which were set in motion by neoliberal conservation regimes designed to exploit the natural and cultural resources upon which tourism development is premised.     

Modelling Subsurface Heterogeneity by Coupled Markov Chains: Directional Dependency,Walther’s Law and Entropy

This paper is an extension of the two-dimensional coupled Markov chain model developed by Elfeki and Dekking (2001) supplemented with extensive simulations. We focus on the development of various coupled Markov chains models: the so-called fully forward Markov chain, fully backward Markov chain and forward–backward Markov chain models. We addressed many issues such as: sensitivity analysis of optimal sampling intervals in horizontal and lateral directions, directional dependency, use of Walther’s law to describe lateral variability, effect of conditioning on number of boreholes on the model performance, stability of the Monte Carlo realizations, various implementation strategies, use of cross validation techniques to evaluate model performance and image division for statistically non-homogeneous deposits are addressed. The applications are made on three sites; two sites are located in the Netherlands, and the third is in the USA. The purpose of these applications is to show under which conditions the Markov models can be used, and to provide some guidelines for the practice. Entropy maps are good tools to indicate places where high uncertainty is present, so can be used for designing sampling networks to reduce uncertainty at these locations. Symmetric and diagonally dominant horizontal transition probabilities with proper sampling interval show plausible results (fits with geologists prediction) in terms of delineation of subsurface heterogeneous structures. Walther’s law can be utilised with a proper sampling interval to account for the lateral variability.     

Storage dam’s locality placing by MCDM techniques (case study: three dams in Iran)

MCDM (multi-criteria decision making) techniques are used to choose the best alternative among the relevant ones and rank the others. In this research, MCDM techniques were used to choose and rank the best places for constructing storage dams in Iran. To achieve this goal, the relevant information and data about dam construction situations were collected. Then, the recommended places for constructing storage dams were ranked by using MCDM techniques and according to the most suitable criteria which have been chosen based on experts’ opinions. To rank dam constructing project, three MCDM techniques, i.e., TOPSIS, AHP, and DEMATEL, were used. The results showed that the application of MCDM models by putting emphasis on economic, social, political, and technical criteria enables government and watershed managers to choose the best alternative(s) for constructing a storage dam.