Littérature scientifique sur le sujet « Low-Tech water sensor »

LoRa (Long Range) technology is suggested as an effective way to ensure the safety of fisher folks in Catanduanes. The paper proposes a tracking device system for boats there, using low-power wireless tech to transmit data between the device and a network of gateways. This technology can send small data amounts over long distances, enabling real-time location tracking even in areas with weak network signals. When paired with GPS, LoRa can boost tracking accuracy. The system includes a GPS module, water level sensor, and emergency button. Test results confirm the Neo 6M GPS module provides precise boat location coordinates. The water sensor triggers an emergency signal to authorities if levels get critical. Additionally, a webpage displays real-time locations of LoRa devices, helping personnel track their movement.

Porous carbons are key materials in electrodes for electrochemical energy storage as well as in water purification. Methods to modify porous carbons to enhance their properties as charge storing or water purification materials have been explored during the past decades [1,2]. The main application fields if porous carbon, water purification and energy storage, are highly cost sensitive. For this reason, there is a need to develop low-cost methods to modify porous carbons. Here, the use of benzoxazine chemistry to modify porous carbons is explored. Benzoxazine chemistry can be considered a protection group strategy for phenols, where the phenols from which the benzoxazines are synthesized, are deprotected upon benzoxazine polymerization. Further, benzoxazine polymerization produces Mannich bridges located near phenol groups, motifs that can be used to capture heavy metal ions. More specifically, in the first step, the porous carbons are partially impregnated with benzoxazine monomers, from melt or solutions to afford powders impregnated far below the liquid saturation level of the particles. That is, the particles retain porosity after the impregnation but still have a dry appearance. After impregnation, the particles are heated over the polymerization temperature of the benzoxazine to afford the porous carbon with immobilized functionalities. As phenols can initiate benzoxazine polymerization and be incorporated in the polymer, this method offers a simple route to produce polymerized and immobilized structure at a carbon interface. Here, results on metal ion absorption and the electrochemical response after exposure are presented for carbons modified by impregnation-polymerization of benzoxazines with or without incorporation of phenols. Inks were manufactured from the modified carbons. The electrochemical characterizations were performed on printed arrays of electrochemical cells on a substrate having dimensions of well plates and intended for automatized testing and where the carbon inks were deposited on the working electrodes. This methodology has a potential of simplifying the development of sensor materials and absorbents and can be automatized and potentially be supported with machine learning schemes. The electrochemical responses of exposure of the modified carbon electrodes to metal salt solutions show that impregnation-polymerization of functional benzoxazine can produce absorbents responding electrochemically to metal ion absorption with a scalable process starting from low-cost materials. References: [1] Sultana, et al., Clean. Eng. Tech. 6 (2022) 100382 [2] Pognon et al., J. Pow. Sourc. 196 (2011) 4117

The study was conducted at Bangladesh Agricultural Research Institute (BARI) farm on clay loam soil during Rabi season of 2010-2011. The treatments consisted of laser land leveling (T1) and control (non-leveled) (T2). A preliminary field survey was done using staff gage. Initially a base station was established to dispense laser ray uniformly. The laser ray erected from base station guided the sensor of the stuff gage and the leveler. Elevation data was collected from the different points of the field and made an average. The maximum gage reading were 247.0 cm and the minimum gage reading was 219.2 cm. Average gage readings of the laser leveled plot was 235.66 cm that was settled for auto adjustment. Therefore, huge amount of soils (16.46 cm high) was cut from the highest point and subsequently had to fill to the low points. Finally, an equal gage reading of 235.66 cm was observed after leveling the plot. The laser leveler (Leica MLS700) was used hitching with a TAFE tractor. The field was leveled with manual control initially and finally it was operated with auto adjustment. Two operators, 25 litter diesels and total 6 hours time were required during this leveling. Wheat was cultivated in leveled land (T1) and non-leveled land (T2). Laser leveling was insured for improvement in nutrient use efficiencies, option for precision farming, reduces weed problems, and improves uniformity of crop maturity. There was better distribution of water in leveled plot, which helped to reduce irrigation application time 1 hour. Due to uniformity of moisture content improved germination and crop establishment was found which reflected in higher plant population (239 m-2). Maximum yield (3.41 t ha-1) was obtained in T1 due to longer panicle (10.89 cm), more grain per plant (27.47) and 1000 grain weight (47.38 g) compared to yield of T2 (2.62 t ha-1). DOI: http://dx.doi.org/10.3329/ijarit.v4i2.22655 Int. J. Agril. Res. Innov. & Tech. 4 (2): 82-86, December, 2014

Aquaponic health is a very important in the food industry field, as currently there is a huge amount of fishing farms, and the demands are growing in the whole world. This work examines the process of developing an innovative aquaponics health monitoring system that incorporates high-tech back-end innovation sensors to examine fish and crop health and a data analytics framework with a low-tech front-end approach to feedback actions to farmers. The developed system improves the state-of-the-art in terms of aquaponics life cycle monitoring metrics and communication technologies, and the energy consumption has been reduced to make a sustainable system.

Monitoring coastal seabed in very shallow waters (0–5 m) is a challenging methodological issue, even though such data is of major importance to many scientific and technical communities. Over the years, Structure-from-Motion (SfM) photogrammetry has emerged as a flexible and inexpensive method able to provide both a 3D model and high-resolution imagery of the seabed (~cm level). In this study, we propose a low-cost (about USD 1500), adaptable, lightweight and easily dismantled system called POSEIDON (for Platform Operating in Shallow-water Environment for Imaging and 3D reconstructiON). This prototype combines a floating support (typically a bodyboard), two imagery sensors (here, GoPro® cameras) and an accurate positioning system using Real Time Kinematic GNSS. Validation of this method was deployed in a macrotidal zone, comparing on the foreshore the point cloud provided by POSEIDON “SfM bathymetry” and by classical terrestrial SfM survey. Mean deviation was 5.2 cm and standard deviation was 4.6 cm. Such high-resolution SfM bathymetric surveys have a great potential for a wide range of applications: micro-bathymetry, hydrodynamics (bottom roughness), benthic habitats, ecological inventories, archaeology, etc.

Recently, various strategies have been demonstrated to reduce the operating power of electrothermal devices by implementing a miniaturized Joule-heating-based heater. To operate the heaters with low power, the miniaturized heating element must be well-insulated by spacing it apart from the substrate. The conventional microfabrication methods for implementing small-size (e.g., sub-micrometer to micrometer scales) and suspended heater architecture have relied on the etching process [1], which requires accurate and delicate process control. Moreover, the etching process becomes more complicated to prevent damage to the delicate heater structures, hindering yield and reliability. Therefore, a trade-off has occurred between the reduction in power consumption (i.e., heater size reduction) and production cost (e.g., cost, time, and high-tech development). Prior to this research, we demonstrated the fabrication of suspended 1D nanoheaters by depositing a thin Au layer selectively on top of a suspended carbon nanowire and their applications as ultralow-power gas sensors [2, 3]. Although the suspended nano-sized carbon heater body was patterned without an etching process, the Si substrate had to be etched in an isotropic manner to form a built-in shadow mask to facilitate batch nanofabrication. Here, we present a novel wafer-level fabrication method of a suspended sub-micrometer-sized mesh-type heater without using any conventional etching process. The mesh structure is separated from the substrate by 7–8 μm through two-step UV exposure on a negative photoresist layer: the first exposure is executed with large energy for post-forming, and the second exposure forms a suspended structure at the surface of the photoresist with small UV energy. This monolithic polymer structure is then pyrolyzed and converted to a suspended glassy carbon mesh. The suspended mesh consists of sub-micrometer-sized grid-shaped lines (width 200~500 nm, grid size ~ 10 μm). A thin (~ 50 nm) metal film is deposited on the top of the mesh for use as a heater layer by a directional evaporation method. During the directional deposition, the metal deposited on the substrate in the shape of the suspended mesh. Therefore, as long as the photomask size of the metal coating is smaller than the entire mesh size, the metal layer on the substrate is disconnected. Consequently, suspended mesh-type heaters can be facilitated without the etching process. Furthermore, various heater shapes can be engraved according to the photomask patterns of the mesh structure and metal layer, enabling customized mass production. At this conference, the fabrication of the various types of mesh-type nanoheaters and their applications as gas sensors will be presented. Reference [1] Choi, K. W.; Lee, J. S.; Seo, M. H.; Jo, M. S.; Yoo, J. Y.; Sim, G. S.; Yoon, J. B. Batch-fabricated CO gas sensor in large-area (8-inch) with sub-10 mW power operation. Sens. Actuators, B Chem. 2019, 289, 153–159. [2] Kim, T.; Cho, W.; Kim, B.; Yeom, J.; Kwon, Y. M.; Baik, J. M.; Kim, J. J.; Shin, H. Batch Nanofabrication of Suspended Single 1D Nanoheaters for Ultralow‐Power Metal Oxide Semiconductor‐Based Gas Sensors. Small 2022, 2204078. [3] Cho, W.; Kim, T.; Shin, H. Thermal conductivity detector (TCD)-type gas sensor based on a batch-fabricated 1D nanoheater for ultra-low power consumption. Sens. Actuators, B Chem. 2022, 371, 132541.

Due to their simplicity of synthesis, stability, and functionalization, low toxicity, and ease of detection, gold nanoparticles (AuNPs) are a natural choice for biomedical applications. AuNPs’ unique optoelectronic features have subsequently been investigated and used in high-tech applications such as organic photovoltaics, sensory probes, therapeutic agents, the administration of drugs in biological and medical applications, electronic devices, catalysis, etc. Researchers have demonstrated the biosynthesis of AuNPs using plants. The present study evaluates 109 plant species used in the traditional medicine of Middle East countries as new sources of AuNPs in a wide variety of laboratory environments. In this study, dried samples of bark, bulb, flower, fruit, gum, leaf, petiole, rhizome, root, seed, stamen, and above-ground parts were evaluated in water extracts. About 117 plant parts were screened from 109 species in 54 plant families, with 102 extracts demonstrating a bioreduction of Au3+ to Au0, revealing 37 new plant species in this regard. The color change of biosynthesized AuNPs to gray, violet, or red was confirmed by UV-Visible spectroscopy, TEM, FSEM, DLS, and EDAX of six plants. In this study, AuNPs of various sizes were measured from 27 to 107 nm. This study also includes an evaluation of the potency of traditional East Asian medicinal plants used in this biosynthesis of AuNPs. An environmentally safe procedure such as this could act as a foundation for cosmetic industries whose quality assessment systems give a high priority to non-chemically synthesized products. It is crucial that future optimizations are adequately documented to scale up the described process.

Every year, flood impose substantial economic, social and environmental cost on Nepalese community through direct damage to residential, commercial, educational and structures. Moreover, the flood destroys animal farm, commercial stock and records and other content of the building and pollutes the water. Early Warning Systems are important to save such lives and properties which involves computer, satellite data and high accurate operating system but this system is very costly in terms of installation as well as operation and maintenance leading to hindrance in the sustainability of the system. However, high-tech technology is very expensive and not feasible in Nepal and therefore low-cost and easy operating system is needed in the rural parts of Nepal. The system includes Solar panel, Siren, Ultrasonic sensor, processing unit, and battery. The ultrasonic sensor sense water level and the siren will automatically start. The threshold can be set up according to the space and time. Bulletin of Department of Geology, vol. 20-21, 2018, pp: 87-92

Purpose There are 29 million homes in the UK, accounting for 14% of the UK's energy consumption. This is given that UK has one of the highest water and energy demands in Europe which needs to be addressed according to the Committee on Climate Change (CCC). Smart homes technology holds a current perception that it is principally used by “tech-savvy” users with larger budgets. However, smart home technology can be used to control water, heat and energy in the entire house. This paper investigates how smart home technology could be effectively utilised to aid the UK government in meeting climate change targets and to mitigate the environmental impact of a home in use towards reducing carbon emissions. Design/methodology/approach Both primary and secondary data were sought to gain insight into the research problem. An epistemological approach to this research is to use interpretivism to analyse data gathered via a semi-structured survey. Two groups of participants were approached: (1) professionals who are deemed knowledgeable about smart home development and implementation and (2) users of smart home technology. A variety of open-ended questions were formulated, allowing participants to elaborate by exploring issues and providing detailed qualitative responses based on their experience in this area which were interpreted quantitatively for clearer analysis. Findings With fossil fuel reserves depleting, there is an urgency for renewable, low carbon energy sources to reduce the 5 tonnes annual carbon emissions from a UK household. This requires a multi-faceted and a multimethod approach, relying on the involvement of both the general public and the government in order to be effective. By advancing energy grids to make them more efficient and reliable, concomitant necessitates a drastic change in the way of life and philosophy of homeowners when contemplating a reduction of carbon emissions. If both parties are able to do so, the UK is more likely to reach its 2050 net-zero carbon goal. The presence of a smart meter within the household is equally pivotal. It has a positive effect of reducing the amount of carbon emissions and hence more need to be installed. Research limitations/implications Further research is needed using a larger study sample to achieve more accurate and acceptable generalisations about any future course of action. Further investigation on the specifics of smart technology within the UK household is also needed to reduce the energy consumption in order to meet net-zero carbon 2050 targets due to failures of legislation. Practical implications For smart homes manufacturers and suppliers, more emphasis should be placed to enhance compatibility and interoperability of appliances and devices using different platform and creating more user's friendly manuals supported by step-by-step visual to support homeowners in the light of the wealth of knowledge base generated over the past few years. For homeowners, more emphasis should be placed on creating online knowledge management platform easily accessible which provide virtual support and technical advice to home owners to deal with any operational and technical issues or IT glitches. Developing technical design online platform for built environment professionals on incorporating smart sensors and environmentally beneficial technology during early design and construction stages towards achieving low to zero carbon homes. Originality/value This paper bridges a significant gap in the body of knowledge in term of its scope, theoretical validity and practical applicability, highlighting the impact of using smart home technology on the environment. It provides an insight into how the UK government could utilise smart home technology in order to reduce its carbon emission by identifying the potential link between using smart home technology and environmental sustainability in tackling and mitigating climate change. The findings can be applied to other building types and has the potential to employ aspects of smart home technology in order to manage energy and water usage including but not limited to healthcare, commercial and industrial buildings.

Introduction The scientific validity of climate change claims, how to intervene (if at all) in environmental, economic, political and social consequences of climate change, and the adaptation and mitigation needed with any given climate change scenario, are contested areas of public, policy and academic discourses. For marginalised populations, the climate discourses around adaptation, mitigation, vulnerability and resilience are of particular importance. This paper considers the silence around disabled people in these discourses. Marci Roth of the Spinal Cord Injury Association testified before Congress in regards to the Katrina disaster: [On August 29] Susan Daniels called me to enlist my help because her sister in-law, a quadriplegic woman in New Orleans, had been unsuccessfully trying to evacuate to the Superdome for two days. […] It was clear that this woman, Benilda Caixetta, was not being evacuated. I stayed on the phone with Benilda, for the most part of the day. […] She kept telling me she’d been calling for a ride to the Superdome since Saturday; but, despite promises, no one came. The very same paratransit system that people can’t rely on in good weather is what was being relied on in the evacuation. […] I was on the phone with Benilda when she told me, with panic in her voice “the water is rushing in.” And then her phone went dead. We learned five days later that she had been found in her apartment dead, floating next to her wheelchair. […] Benilda did not have to drown. (National Council on Disability, emphasis added) According to the Intergovernmental Panel on Climate Change (IPCC), adaptation is the “Adjustment in natural or human systems in response to actual or expected climatic stimuli or their effects, which moderates harm or exploits beneficial opportunities” (IPCC, Climate Change 2007). Adaptations can be anticipatory or reactive, and depending on their degree of spontaneity they can be autonomous or planned (IPCC, Fourth Assessment Report). Adaptations can be private or public (IPCC, Fourth Assessment Report), technological, behavioural, managerial and structural (National Research Council of Canada). Adaptation, in the context of human dimensions of global change, usually refers to a process, action or outcome in a system (household, community, group, sector, region, country) in order for that system to better cope with, manage or adjust to some changing condition, stress, hazard, risk or opportunity (Smit and Wandel). Adaptation can encompass national or regional strategies as well as practical steps taken at the community level or by individuals. According to Smit et al, a framework for systematically defining adaptations is based on three questions: (i) adaptation to what; (ii) who or what adapts; and (iii) how does adaptation occur? These are essential questions that have to be looked at from many angles including cultural and anthropological lenses as well as lenses of marginalised and highly vulnerable populations. Mitigation (to reduce or prevent changes in the climate system), vulnerability (the degree to which a system is susceptible to, and unable to cope with, the adverse effects of climate change), and resilience (the amount of change a system can undergo without changing state), are other important concepts within the climate change discourse. Non-climate stresses can increase vulnerability to climate change by reducing resilience and can also reduce adaptive capacity because of resource deployment to competing needs. Extending this to the context of disabled people, ableism (sentiment to expect certain abilities within humans) (Wolbring, “Is there an end to out-able?”) and disablism (the unwillingness to accommodate different needs) (Miller, Parker and Gillinson) are two concepts that will thus play themselves out in climate discourses. The “Summary for Policymakers” of the IPCC 2007 report, Climate Change 2007: Impacts, Adaptation and Vulnerability, states: “Poor communities can be especially vulnerable, in particular those concentrated in high-risk areas. They tend to have more limited adaptive capacities, and are more dependent on climate-sensitive resources such as local water and food supplies.” From this quote one can conclude that disabled people are particularly impacted, as the majority of disabled people live in poverty (Elwan). For instance, CARE International, a humanitarian organisation fighting global poverty, the UN Office for the Coordination of Humanitarian Affairs, and Maplecroft, a company that specialises in the calculation, analysis and visualisation of global risks, conclude: “The degree of vulnerability is determined by underlying natural, human, social, physical and financial factors and is a major reason why poor people—especially those in marginalised social groups like women, children, the elderly and people with disabilities—are most affected by disasters” (CARE International). The purpose of this paper is to expose the reader to (a) how disabled people are situated in the culture of the climate, adaptation, mitigation and resilience discourse; (b) how one would answer the three questions, (i) adaptation to what, (ii) who or what adapts, and (iii) how does adaptation occur (Smit et al), using a disabled people lens; and (c) what that reality of the involvement of disabled people within the climate change discourse might herald for other groups in the future. The paper contends that there is a pressing need for the climate discourse to be more inclusive and to develop a new social contract to modify existing dynamics of ableism and disablism so as to avoid the uneven distribution of evident burdens already linked to climate change. A Culture of Neglect: The Situation of Disabled People As climates changes, environmental events that are classified as natural disasters are expected to be more frequent. In the face of recent disaster responses, how effective have these efforts been as they relate to the needs and challenges faced by disabled people? Almost immediately after Hurricane Katrina devastated the Gulf Coast, the National Council on Disability (NCD) in the United States estimated that 155,000 people with disabilities lived in the three cities hardest hit by the hurricane (about 25 per cent of the cities’ populations). The NCD urged emergency managers and government officials to recognise that the need for basic necessities by hurricane survivors with disabilities was “compounded by chronic health conditions and functional impairments … [which include] people who are blind, people who are deaf, people who use wheelchairs, canes, walkers, crutches, people with service animals, and people with mental health needs.” The NCD estimated that a disproportionate number of fatalities were people with disabilities. They cited one statistic from the American Association of Retired Persons (AARP): “73 per cent of Hurricane Katrina-related deaths in New Orleans area were among persons age 60 and over, although they comprised only 15 per cent of the population in New Orleans.” As the NCD stated, “most of those individuals had medical conditions and functional or sensory disabilities that made them more vulnerable. Many more people with disabilities under the age of 60 died or were otherwise impacted by the hurricanes.” As these numbers are very likely linked to the impaired status of the elderly, it seems reasonable to assume similar numbers for non-elderly disabled people. Hurricane Katrina is but one example of how disabled people are neglected in a disaster (Hemingway and Priestley; Fjord and Manderson). Disabled people were also disproportionately impacted in other disasters, such as the 1995 Great Hanshin Earthquake in Japan (Nakamura) or the 2003 heatwave in France, where 63 per cent of heat-related deaths occurred in institutions, with a quarter of these in nursing homes (Holstein et al.). A review of 18 US heatwave response plans revealed that although people with mental or chronic illnesses and the homeless constitute a significant proportion of the victims in recent heatwaves, only one plan emphasised outreach to disabled persons, and only two addressed the shelter and water needs of the homeless (Ebi and Meehl; Bernhard and McGeehin). Presence of Disabled People in Climate Discourse Although climate change will disproportionately impact disabled people, despite the less than stellar record of disaster adaptation and mitigation efforts towards disabled people, and despite the fact that other social groups (such as women, children, ‘the poor’, indigenous people, farmers and displaced people) are mentioned in climate-related reports such as the IPCC reports and the Human Development Report 2007/2008, the same reports do not mention disabled people. Even worse, the majority of the material generated by, and physically set up for, discourses on climate, is inaccessible for many disabled people (Australian Human Rights Commission). For instance, the IPCC report, Climate Change 2007: Impacts, Adaptation and Vulnerability, contains Box 8.2: Gender and natural disasters, makes the following points: (a) “men and women are affected differently in all phases of a disaster, from exposure to risk and risk perception; to preparedness behaviour, warning communication and response; physical, psychological, social and economic impacts; emergency response; and ultimately to recovery and reconstruction”; (b) “natural disasters have been shown to result in increased domestic violence against, and post-traumatic stress disorders in, women”; and (c) “women make an important contribution to disaster reduction, often informally through participating in disaster management and acting as agents of social change. Their resilience and their networks are critical in household and community recovery.” The content of Box 8.2 acknowledges the existence of different perspectives and contributions to the climate discourse, and that it is beneficial to explore these differences. It seems reasonable to assume that differences in perspectives, contributions and impact may well also exist between people with and without disabilities, and that it may be likewise beneficial to explore these differences. Disabled people are differently affected in all phases of a disaster, from exposure to risk and risk perception; to preparedness behaviour, warning communication and response; physical, psychological, social and economic impacts; emergency response; and ultimately to recovery and reconstruction. Disabled people could also make an important contribution to disaster reduction, often informally through participating in disaster management and acting as agents of social change. Their resilience and their networks are critical in household and community recovery, important as distributors of relief efforts and in reconstruction design. The Bonn Declaration from the 2007 international conference, Disasters are always Inclusive: Persons with Disabilities in Humanitarian Emergency Situations, highlighted many problems disabled people are facing and gives recommendations for inclusive disaster preparedness planning, for inclusive response in acute emergency situations and immediate rehabilitation measures, and for inclusive post-disaster reconstruction and development measures. Many workshops were initiated by disabled people groups, such as Rehabilitation International. However, the disabled people disaster adaptation and mitigation discourse is not mainstreamed. Advocacy by people with disability for accessible transport and universal or “life-cycle” housing (among other things) shows how they can contribute significantly to more effective social systems and public facilities. These benefit everyone and help to shift public expectations towards accessible and flexible amenities and services—for example, emergency response and evacuation procedures are much easier for all if such facilities are universally accessible. Most suggestions by disabled people for a more integrative, accessible physical environment and societal attitude benefit everyone, and gain special importance with the ever-increasing proportion of elderly people in society. The IPCC Fourth Assessment Report is intended to be a balanced assessment of current knowledge on climate change mitigation. However, none of the 2007 IPCC reports mention disabled people. Does that mean that disabled people are not impacted by, or impact, climate change? Does no knowledge of adaptation, mitigation and adaptation capacity from a disabled people lens exist, or does the knowledge not reach the IPCC, or does the IPCC judge this knowledge as irrelevant? This culture of neglect and unbalanced assessment of knowledge evident in the IPCC reports was recognised before for rise of a ‘global’ climate discourse. For instance, a 2001 Canadian government document asked that research agendas be developed with the involvement of, among others, disabled people (Health Canada). The 2009 Nairobi Declaration on Africa’s response to climate change (paragraph 36) also asks for the involvement of disabled people (African Ministerial Conference on the Environment). However, so far nothing has trickled up to the international bodies, like the IPCC, or leading conferences such as the United Nations Climate Change Conference Copenhagen 2009. Where Will It End? In his essay, “We do not need climate change apartheid in adaptation”, in the Human Development Report 2007/2008, Archbishop Desmond Tutu suggests that we are drifting into a situation of global adaptation apartheid—that adaptation becomes a euphemism for social injustice on a global scale (United Nations Development Programme). He uses the term “adaptation apartheid” to highlight the inequality of support for adaptation capacity between high and low income countries: “Inequality in capacity to adapt to climate change is emerging as a potential driver of wider disparities in wealth, security and opportunities for human development”. I submit that “adaptation apartheid” also exists in regard to disabled people, with the invisibility of disabled people in the climate discourse being just one facet. The unwillingness to accommodate, to help the “other,” is nothing new for disabled people. The ableism that favours species-typical bodily functioning (Wolbring, “Is there an end to out-able?”; Wolbring, “Why NBIC?”) and disablism (Miller, Parker, and Gillinson)—the lack of accommodation enthusiasm for the needs of people with ‘below’ species-typical body abilities and the unwillingness to adapt to the needs of “others”—is a form of “adaptation apartheid,” of accommodation apartheid, of adaptation disablism that has been battled by disabled people for a long time. In a 2009 online survey of 2000 British people, 38 per cent believed that most people in British society see disabled people as a “drain on resources” (Scope). A majority of human geneticist concluded in a survey in 1999 that disabled people will never be given the support they need (Nippert and Wolff). Adaptation disablism is visible in the literature and studies around other disasters. The 1988 British Medical Association discussion document, Selection of casualties for treatment after nuclear attack, stated “casualties whose injuries were likely to lead to a permanent disability would receive lower priority than those expected to fully recover” (Sunday Morning Herald). Famine is seen to lead to increased infanticide, increased competitiveness and decreased collaboration (Participants of the Nuclear Winter: The Anthropology of Human Survival Session). Ableism and disablism notions experienced by disabled people can now be extended to include those challenges expected to arise from the need to adapt to climate change. It is reasonable to expect that ableism will prevail, expecting people to cope with certain forms of climate change, and that disablism will be extended, with the ones less affected being unwilling to accommodate the ones more affected beyond a certain point. This ableism/disablism will not only play itself out between high and low income countries, as Desmond Tutu described, but also within high income countries, as not every need will be accommodated. The disaster experience of disabled people is just one example. And there might be climate change consequences that one can only mitigate through high tech bodily adaptations that will not be available to many of the ones who are so far accommodated in high income countries. Desmond Tutu submits that adaptation apartheid might work for the fortunate ones in the short term, but will be destructive for them in the long term (United Nations Development Programme). Disability studies scholar Erik Leipoldt proposed that the disability perspective of interdependence is a practical guide from the margins for making new choices that may lead to a just and sustainable world—a concept that reduces the distance between each other and our environment (Leipoldt). This perspective rejects ableism and disablism as it plays itself out today, including adaptation apartheid. Planned adaptation involves four basic steps: information development and awareness-raising; planning and design; implementation; and monitoring and evaluation (Smit et al). Disabled people have important knowledge to contribute to these four basic steps that goes far beyond their community. Their understanding and acceptance of, for example, the concept of interdependence, is just one major contribution. Including the concept of interdependence within the set of tools that inform the four basic steps of adaptation and other facets of climate discourse has the potential to lead to a decrease of adaptation apartheid, and to increase the utility of the climate discourse for the global community as a whole. References African Ministerial Conference on the Environment. Nairobi Declaration on the African Process for Combating Climate Change. 2009. 26 Aug. 2009 ‹ http://www.unep.org/roa/Amcen/Amcen_Events/3rd_ss/Docs/nairobi-Decration-2009.pdf ›. American Association of Retired Persons. We Can Do Better: Lessons Learned for Protecting Older Persons in Disasters. 2009. 26 Aug. 2009 ‹ http://assets.aarp.org/rgcenter/il/better.pdf ›. Australian Human Rights Commission. “Climate Change Secretariat Excludes People with Disabilities.” 2008. 26 Aug. 2009 ‹ http://www.hreoc.gov.au/about/media/media_releases/2008/95_08.html ›. Bernhard, S., and M. McGeehin. “Municipal Heatwave Response Plans.” American Journal of Public Health 94 (2004): 1520-21. CARE International, the UN Office for the Coordination of Humanitarian Affairs, and Maplecroft. Humanitarian Implications of Climate Change: Mapping Emerging Trends and Risk Hotspots for Humanitarian Actors. 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La durabilité de l'agriculture irriguée est menacée par une tension croissante sur la ressource en eau, dont la surexploitation conduit à une dégradation des écosystèmes, en particulier dans le bassin méditerranéen. En dépit d'investissements dans des équipements modernes coûteux, les performances des systèmes irrigués demeurent en dessous des attentes, notamment en raison d'effets induits à plus large échelle. Les technologies numériques de l'information offrent de nouvelles opportunités pour mieux comprendre et mieux gérer la ressource en eau, mais elles restent peu accessibles et peu adaptées aux contextes agraires, en particulier pour les systèmes irrigués gravitaires et dans le Sud global. Dès lors, dans quelle mesure le développement participatif de technologies numériques pour l'information peut-il aboutir à de nouveaux outils utiles et accessibles pour améliorer les performances des systèmes irrigués et contribuer à une meilleure durabilité des territoires ? Les résultats de nos travaux de thèse montrent que l'innovation numérique pour la gestion de l'irrigation n'a pas nécessairement besoin d'être complexe, onéreuse et intensive en énergie. Nous avons développé de nouveaux systèmes de mesure en temps réel et d'automatisation simples, open source, auto-constructibles et à bas coût pour accompagner la gestion de l'eau avec des agriculteurs pratiquant l'irrigation gravitaire en France et l'irrigation localisée en Tunisie. Nous avons proposé une méthode de modélisation multi-critère et multi-échelle pour simuler les effets de l'adoption de ces nouveaux outils sur les performances des systèmes irrigués. Nos résultats mettent en perspective les bénéfices des changements de pratiques liés à l'adoption des innovations, et illustrent les compromis émergeant à plus large échelle. Nous estimons que ces travaux contribueront à la démocratisation des low-tech numériques pour des systèmes irrigués plus autonomes et plus économes. Les outils et méthodes proposés sont hautement reproductibles et ouvrent la voie à de futures recherches pour la compréhension et la gestion des flux d'eau dans des contextes agro-hydrologiques variés
The sustainability of irrigated agriculture is threatened by growing pressure on water resources, whose over-exploitation is leading to the degradation of ecosystems, especially in the Mediterranean basin. Despite investment in costly modern equipment, the performance of irrigation systems remains below expectations, notably due to induced effects on a wider scale. Digital information technologies offer new opportunities for better understanding and management of water resources, but they remain relatively inaccessible and poorly adapted to agrarian contexts, particularly for surface irrigation systems and in the global South. Therefore, to what extent can the participatory design of digital information technologies result in new tools that are useful and accessible to improve the performance of irrigation systems and contribute to greater territorial sustainability? The results of our PhD thesis show that digital innovation for irrigation management does not necessarily have to be complex, expensive and energy-intensive. We developed new simple, open source, do-it-yourself and low-cost measurement and automation systems to support real-time water management with farmers practising surface irrigation in France and drip irrigation in Tunisia. We proposed a multi-criteria and multi-scale modeling method to simulate the effects of the adoption of such new tools on the performance of irrigation systems. Our results put into perspective the benefits of changes in practices resulting from the adoption of innovations, and illustrate the trade-offs emerging on a larger scale. We believe that this work will contribute to the democratisation of digital low-tech for more autonomous, energy and water-saving irrigation systems. The designed tools and methods are highly reproducible and open the way to future research on the understanding and management of water flows in various agro-hydrological contexts

Abstract Real-time data acquisition and structural health monitoring (SHM) are in any aerospace black box. To facilitate the development of such technologies, test payload architectures must be designed to safely deliver experimental components to the environments they are expected to perform in. The purpose of this project was to design, analyze, assemble, and launch a payload enclosure system as part of a collaborative experiment involving SHM by New Mexico Tech and distributed data acquisition by Immortal Data Inc. Particular attention was given to the integration of the hardware pertaining to the SHM experiment. This experiment monitors the condition of a cantilever beam throughout the flight using an electro-mechanical impedance method. The enclosure mount was designed to tolerate the vibrational, thermal, and g-loads experience in suborbital flight. With these criteria in mind, ULTEM 1010, an industrial strength 3D printing material, was chosen due to its significant yield strength and low density when compared to other 3D printing material and aluminum candidates. To determine whether or not the tolerances and requirements are sufficiently met, finite element analysis of the payload structure was performed in COMSOL Multiphysics and Solidworks. Stresses due to acceleration loads, de-spinning events, and ground impact were evaluated and safety factors were determined. To enable the electro-mechanical impedance diagnostics, a thin piezoelectric wafer sensor was bonded to the beam and connected to a miniaturized impedance analyzer. This system allowed for local storage of the electro-mechanical impedance data. Validation of this experimental setup was performed in laboratory conditions in which the impedance of the beam was measured in several frequency bands. Based on dynamic characteristics of the beam, low frequency bandwidth was selected for impedance analysis. Numerical studies confirm the enclosure design’s validity and the possibility of electro-mechanical impedance diagnostics of the payload.

Abstract Moving standard deviation (MSD) values of under 10 nm for stage synchronization errors are beginning to be required by IC manufacturers around the world. This mandates multiple levels of management for the stage system in lithography tool. Furthermore, it is essential that these are incorporated into a single integrated tool management (ITM) system. In addition to the motion and trajectory control of the reticle and wafer stages, the stage support structures are actively stabilized in all six degrees of freedom (DOF). In order to minimize the internal disturbances in the tool often caused by large accelerations of the stages, several tool manufacturers employ actively controlled balancing masses. In addition, the main structural components of lithography tools are isolated from floor vibrations using increasingly sophisticated active isolation systems. While trajectory shaping, active reaction cancellation, and active isolation techniques greatly contribute to reducing the disturbances that reach the structural components of lithography tools, they do not eliminate them entirely. As a consequence, modal vibrations are excited in these structures in response to external and internal disturbances. Very low inherent damping in most structural components results in large dynamic amplification of that response. Often, resulting vibrations affect the stability of metrology system components supported by the structure, such as laser interferometer mirrors and beam splitters. This, in turn, limits the performance of the stage control system, resulting in higher MSD values. Interestingly, only low-tech, passive response attenuation solutions have found widespread application on lithography tools. These typically include tuned mass dampers (TMD) and visco-elastic components. Unfortunately, these solutions are not adequate for ultra-small feature lithography. Typical limitations of these methods include prohibitively high mass in the case of TMDs, and unacceptably high structural velocity values required by most visco-elastic components in order to dissipate enough energy. Additionally, these solutions offer no adaptive or tunable characteristics. ‘Smart structures’ is a term commonly applied to the active control of dynamic response of structural components using embedded actuators and sensors, as well as control electronics. Often the actuators used in smart structures applications are piezoelectric components used either in induced-strain or linear actuator configurations. These actuators offer low volume and mass, thus minimizing their effect on the controlled structure open-loop behavior. Further, these actuators can affect no rigid body motions, thus rendering them incapable of negatively impacting the stage motion control system. A properly designed smart structure control system can be effectively used to attenuate the modal response of selected structural components in lithography tools. This attenuation can be targeted at specific locations on the structure (such as supporting critical components of the metrology system), specific frequencies, and specific modes. Most importantly, perhaps, the application of smart structures technology for response attenuation allows for all the benefits of other active systems used in the tool to be brought to bear. Thus response attenuation systems can be made adaptive, tunable, and capable of communicating with the host and with other active systems used in the lithography tool. This paper presents a possible architecture for including smart structure technology in the context of advanced lithography tool management as the last missing link in the chain of active isolation, active reaction cancellation, and stage positioning and trajectory control.