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AbstractIndigenous and Western communities are faced with increasing issues of sustainability compromising their natural resources and cultural heritage, for example, a cross-pollination/complementary approach in relation to their current knowledge systems and discourses on sustainability. There is a need for methods that integrate different discourses relating to sustainability to identify the most pressing needs in terms of sustainability. Sustainability assessments are a type of impact assessment that focus on enhanced sustainability both now and in the future; however, the literature on indigenous sustainability assessment methods, is scarce. To address this gap, we have developed a novel Sustainability Assessment method for Indigenous Communities (SAIC). The SAIC method combines Western and indigenous sustainability objectives and principles, in order to extend the range of options for action to address sustainability. The SAIC method consists of two sections (i) values and considerations and (ii) procedure. The “values and considerations” section establishes the fundamental participatory and ethical considerations for conducting sustainability assessments in indigenous communities, and the “procedure” section establishes a set of 55 indicators in eight categories. The method was tested in a Zapotec, indigenous community in México. Results show that this community was rated highly in all eight categories. However, indicators for family planning and access to health services were rated poorly. The identified issues can be used as guidelines for decision making in future regional projects and development plans. The results reveal further areas for improvement, such as strengthening the links to national or international networks and increasing the use of renewable energies. The method presented in this paper provides an assessment approach based on Western and indigenous sustainability discourses, which is suitable for assessing indigenous communities.

The increased fatigue loads and decreased power output of a wind turbine placed in the wake of another turbine is a well-known problem when building new wind-power farms and a subject of intensive research. These problems are caused by the velocity gradients and high turbulence levels present in the wake of a turbine. In order to better estimate the total power output and life time of a wind-power farm, knowledge about the development and stability of wind-turbine wakes is crucial.In the present thesis, the flow field around small-scale model wind turbines has been investigated experimentally in two wind tunnels. The flow velocity was measured with both hot-wire anemometry and particle image velocimetry. To monitor the turbine performance, the rotational frequency, the power output and the total drag force on the turbine were also measured. The power and thrust coefficients for different tip-speed ratios were calculated and compared to the blade element momentum method, with a reasonable agreement. The same method was also used to design and manufacture new turbine blades, which gave an estimate of the distribution of the lift and drag forces along the blades.The influence of the inlet conditions on the turbine and the wake properties was studied by subjecting the turbine to both uniform in flow and different types of boundary layer in flows. In order to study the stability and development of the tip vortices shed from the turbine blades, a new experimental setup for phase-locked measurements was constructed. The setup made it possible to introduce perturbations of different frequencies and amplitudes, located in the rear part of the nacelle. With a newly developed method, it was possible to characterize the vortices and follow their development downstream, using only the streamwise velocity component.Measurements were also performed on porous discs placed in different configurations. The results highlighted the importance of turbine spacings. Both the measurements on the turbine and the discs were also used to compare with large eddy simulations using the actuator disc method. The simulations managed to predict the mean velocity fairly well in both cases, while larger discrepancies were seen in the turbulence intensity.

Interdisciplinary research in the fields of forestry and sustainability studies often encounters seemingly incompatible ontological assumptions deriving from natural and social sciences. The perceived incompatibilities might emerge from the epistemological and ontological claims of the theories or models directly employed in the interdisciplinary collaboration, or they might be created by other epistemological and ontological assumptions that these interdisciplinary researchers find no reason to question. In this paper we discuss the benefits and risks of two possible approaches, Popperian optimism and Kuhnian pessimism, to interdisciplinary knowledge integration where epistemological and ontological differences between the sciences involved can be expected. Peer reviewed

Abstract Throughout time, salt has played a crucial role in societies representing one of the most precious natural raw materials that can be extracted from the environment. The Austrian Alps are home to the world’s oldest and extensively studied record of large-scale underground salt mining: the UNESCO World Heritage site Hallstatt-Dachstein/Salzkammergut. In this study, we focus for the first time on the impact that the salt extraction had on the vegetation and the environment throughout the millennia, presenting the first paleoecological data for the mining area, which have been obtained from a peat bog located near the mines. Our study indicates that salt extraction started already in the 4th mil BCE, and phases with the highest impact on the vegetation are documented in the Bronze Age (around 1350 BCE) and the Modern Era (15th-19th century CE). Our record also reveals an environmental awareness of the miners, as natural resources of the region were never depleted in order to provide material needed for the mines (construction materials, subsistence goods, etc.).

AbstractThis contribution presents the approach and methodology followed by the Building Energy Efficiency Project (BEEP) [1] to contribute to the improvement of energy efficiency and climate change resilience for multi-story residential buildings in the rapidly growing urban construction in India. As a consequence, the urban resilience will be improved at two levels: 1) the improved thermal comfort in non-air-conditioned apartments will reduce the health-related heat wave impact, 2) the cooling energy demand in air-conditioned apartment will be reduced by 20-40%. The impact of the Energy Conservation Building Code for Residential (ECO Niwas Samhita) was launched in December 2018 by the Indian Government. It has been estimated to reach a cumulative 100 Million tons of CO2 emission reduction by 2030.The Code was developed with the main objective to reduce heat gains between 20 to 40% through the building envelope by passive measures at no or marginal additional costs of construction.

Abstract. The last glacial period (LGP; ca. 110–10 kyr BP) was marked by the existence of two types of abrupt climatic changes, Dansgaard–Oeschger (DO) and Heinrich (H) events. Although the mechanisms behind these are not fully understood, it is generally accepted that the presence of ice sheets played an important role in their occurrence. While an important effort has been made to investigate the dynamics and evolution of the Laurentide ice sheet (LIS) during this period, the Eurasian ice sheet (EIS) has not received much attention, in particular from a modeling perspective. However, meltwater discharge from this and other ice sheets surrounding the Nordic seas is often implied as a potential cause of ocean instabilities that lead to glacial abrupt climate changes. Thus, a better comprehension of the evolution of the EIS during the LGP is important to understand its role in glacial abrupt climate changes. Here we investigate the response of the EIS to millennial-scale climate variability during the LGP. We use a hybrid, three-dimensional, thermomechanical ice-sheet model that includes ice shelves and ice streams. The model is forced off-line via a novel perturbative approach that, as opposed to conventional methods, clearly differentiates between the spatial patterns of millennial-scale and orbital-scale climate variability. Thus, it provides a more realistic treatment of the forcing at millennial timescales. The effect of both atmospheric and oceanic variations are included. Our results show that the EIS responds with enhanced ice discharge in phase with interstadial warming in the North Atlantic when forced with surface ocean temperatures. Conversely, when subsurface ocean temperatures are used, enhanced ice discharge occurs both during stadials and at the beginning of the interstadials. Separating the atmospheric and oceanic effects demonstrates the major role of the ocean in controlling the dynamics of the EIS on millennial timescales. While the atmospheric forcing alone is only able to produce modest iceberg discharges, warming of the ocean leads to higher rates of iceberg discharges as a result of relatively strong basal melting at the margins of the ice sheet. Our results clearly show the capability of the EIS to react to glacial abrupt climate changes, and highlight the need for stronger constraints on the ice sheet's glacial dynamics and climate–ocean interactions.

Abstract Kari leaves (Murraya koeginii) uses as seasoning material for many kinds of food in Aceh and it can be used for health treatment because of it consists of flavonoid, steroid and phenolic that has activity as antioxidant and antibacterial. The aim of this research is to determine the phytochemistry component of ethanol extract of Kari leaves. The extraction process was conducted using maceration technique in ethanol 96% (1:3 w/v). The determination of extract content of Kari leaves was performed using GC-MS. The yield of extract was about 17,68% and the phytochemical screening showed the presence of phenolic, terpenoid/steroid, flavonoid, tannin and saponin. The GC-MS analysis revealed that the ethanol extract of Kari leaves has 47 compounds, which the major content is vitamin E (12,18%), beta-caryophyllene (7,67%), pyrazine, tetrakis(1-methylethyl) (10,58%), N, N-Dimethyl-Tridecylamine (6,81%) andd-Nerolidol (7,32%). This result indicated the ethanol extract of Kari leaves has activity as antioxidant and antibacterial.

The present study considered the performance analysis of a new proposed design of a vehicles wind turbine energy installation system. A test is conducted on the energy conversion and storage system that have been built to evaluate its performance and the capability. The result shows that the power that is generated by the system is directly proportional to the speed of the alternator. The time taken for charging a battery is also recorded and it is found that it takes about 2 to 3 hours to fill the 12-volt battery depending on the size and capacity of the battery used. The power generated for the system is 20.4 watt and 120.5 watt at 60 km/h and 120 km/h respectively. From the analysis that has been done, the energy from a turbine has the potential to generate power to car system. The wind energy is possible to integrate with other existing and renewable energy.

In Italy, after the introduction of the Code of Cultural Heritage and Landscape in 2004, the Regional Landscape Plan (RLP) has acquired a coordination role in the urban planning system, for the implementation of policies for landscape protection and valorisation. The case study of the RLP of Sardinia is a paradigmatic application to the coastal area of the island, which is considered most vulnerable and subject to settlement pressure. The objectives of preservation and valorisation of the territorial resources should be transferred into local planning instruments by adopting strategies aimed at the preservation of the consolidated urban fabric, at the requalification and completion of the existing built-up areas according to the principles of land take limitation and increase in urban quality. The paper investigates the state of implementation and the level of integration of landscape contents in the local plans that have been adapted to the RLP, using a qualitative comparative method. In addition, the results of the plan coherence checks, elaborated by the regional monitoring bodies after the adaptation process, have been analysed to identify the common criticalities and weaknesses. The results highlight the lack of effectiveness of the RLP, after more than a decade since its approval, considering the limited number of adequate local plans and the poor quality of their analytical and regulative contents in terms of landscape protection and valorisation. Conclusions suggest some possible ways to revise the RLP, focusing on the participation of local communities and the development of a new landscape culture.