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Drawdown (other)
Drawdown may refer to: * ''Drawdown'' (book), 2017 book by Paul Hawken about climate change mitigation * Drawdown (climate), the point at which greenhouse gas concentrations in the atmosphere begin to decline * Drawdown (economics), decline in the value of an investment, below its all-time high * Drawdown (hydrology), a lowering of a reservoir or a change in hydraulic head in an aquifer, typically due to pumping a well * Drawdown card, used for testing paints and coatings through wet film preparation * Drawdown chart, paper used to test various coating properties * Income drawdown, a method withdrawing benefits from a UK Registered Pension Scheme See also * Capital call A capital call (also known as a draw down or a capital commitment) is a legal right of an investment firm or an insurance firm to demand a portion of the money promised to it by an investor. A capital call fund would be the money that had been com ..., finance term, also known as a draw down * Reduction (disambi ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Drawdown (book)
''Drawdown: The Most Comprehensive Plan Ever Proposed to Reverse Global Warming'' is a 2017 book created, written, and edited by Paul Hawken about climate change mitigation. Other writers include Katharine Wilkinson, and the foreword was written by (hardback edition) Tom Steyer and (paperback) Prince Charles. The book describes solutions arranged in order by broad categories: energy, food, women and girls, buildings and cities, land use, transport, materials, and "coming attractions". The book provides a list of 100 potential solutions and ranks them by the potential amount of greenhouse gases each could cut, with cost estimates and short descriptions. ''The Guardian'' notes that the author has had influence in corporate sustainability efforts and that companies such as Interface and Autodesk have backed the project. It was intended that the book be supplemented with an online database, '' Project Drawdown'', which was to compile the numerous types of solutions. Reception ''Dr ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Drawdown (climate)
Climate drawdown refers to the future point in time when levels of greenhouse gas concentrations in the atmosphere stop climbing and start to steadily decline. Drawdown is a milestone in reversing climate change and eventually reducing global average temperatures. ''Project Drawdown'' refers to the nonprofit organization with the mission to help the world reach drawdown and stop catastrophic climate change quickly, safely, and equitably. In 2017, a publication titled "''Drawdown"'' became a ''New York Times'' bestseller, where it highlighted and described different solutions and efforts available to help reach this goal. Project Drawdown Project Drawdown is a climate change mitigation project initiated by Paul Hawken and climate activist Amanda Joy Ravenhill. The main principles of the project are to: # Reduce sources by bringing emissions to zero and stopping pollution. # Support sinks and uplift nature's carbon cycle. # Improve society by fostering equality for all. Pro ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Drawdown (economics)
The drawdown is the measure of the decline from a historical peak in some variable (typically the cumulative profit or total open equity of a financial trading strategy). Somewhat more formally, if X(t), \; t \ge 0 is a stochastic process with X(0) = 0, the drawdown at time T, denoted D(T), is defined as: D(T) = \max\left max_X(t)-X(T),0 \right \equiv \left \max_X(t)-X(T) \right The average drawdown (AvDD) up to time T is the time average of drawdowns that have occurred up to time T:\operatorname(T) = \int_0^T D(t) \, dtThe maximum drawdown (MDD) up to time T is the maximum of the drawdown over the history of the variable. More formally, the MDD is defined as: \operatorname(T)=\max_D(\tau)=\max_\left max_ X(t)- X(\tau) \right/math> Pseudocode The following pseudocode computes the Drawdown ("DD") and Max Drawdown ("MDD") of the variable "NAV", the Net Asset Value of an investment. Drawdown and Max Drawdown are calculated as percentages: MDD = 0 peak = -99999 for i = 1 to N step ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Drawdown (hydrology)
In water-related science and engineering, there are two similar but distinct definitions in use for the word drawdown: * In subsurface hydrogeology, drawdown is the reduction in hydraulic head observed at a well in an aquifer, typically due to pumping a well as part of an aquifer test or well test. * In surface water hydrology and civil engineering, drawdown refers to the lowering of the surface elevation of a body of water, the water table, the piezometric surface, or the water surface of a well, as a result of the withdrawal of water. In either case, drawdown is the change in hydraulic head or water level relative to the initial spatial and temporal conditions of the system. Drawdown is often represented in cross-sectional diagrams of aquifers. A record of hydraulic head, or rate of flow ( discharge), versus time is more generally called a hydrograph (in both groundwater and surface water). The main contributor to groundwater drawdown since the 1960s is over-exploitation of groun ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Drawdown Card
Drawdown cards are used for testing paints and coating A coating is a covering that is applied to the surface of an object, usually referred to as the substrate. The purpose of applying the coating may be decorative, functional, or both. Coatings may be applied as liquids, gases or solids e.g. Pow ...s through wet film preparation. Black and white cards are used to measure both opacity and contrast ratio. By measuring reflectance values of both parts of the card one can gain a quantitative opacity value of a paint sample. See also * * * {{annotated link, Spectrometer Painting materials Measuring instruments ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Drawdown Chart
Drawdown charts are rectangular pieces of non-fluorescent paper which are used to test a variety of coating properties. These properties include opacity, spreading rate, penetration, and flow & leveling behavior. This non-fluorescent material has to be especially rugged in order to maintain its structure and give reliable readings, as the coatings tested are often corrosive or abrasive. These charts are necessary in the testing of any coating as they give reliable and accurate readings for any type of coating before the coating is applied to the intended material. Drawdown bars Drawdown bars are used in collaboration with drawdown charts. The bars are generally made of stainless steel or aluminum and touch the chart at each end, while the center is slightly raised to a desired height in order to obtain the desired film thickness. As with the charts, the bars have to be especially resistant to corrosion Corrosion is a natural process that converts a refined metal into a ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Income Drawdown
Income drawdown is a method withdrawing benefits from a UK Registered Pension Scheme. In theory, it is available under any money purchase pension scheme. However, it is, in practice, rarely offered by occupational pensions and is therefore generally only available to those who own, or transfer to, a personal pension. There are a number of different types of draw-down structures: *Capped income drawdown - these permit the policy holder to withdraw an annual income between nothing and a maximum based on the initial fund value, their age at the time, and the current rates set by the UK Government Actuary's Department. The maximum is revised every three years until the 75th birthday and thereafter at annual intervals. The individual can choose to buy an annuity at any time. *Flexible income drawdown - these allowed anyone who could prove they had enough qualifying secure pension earnings, to have unlimited access to their other pension fund. For flexible drawdown declarations made b ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Capital Call
A capital call (also known as a draw down or a capital commitment) is a legal right of an investment firm or an insurance firm to demand a portion of the money promised to it by an investor. A capital call fund would be the money that had been committed to the fund. The capital call is the act of actually transferring the promised funds to the investment target. A capital call agreement defines capital call terms. For example, when an investor buys into a real estate fund, that fund's managers may wait some time before using the investor's money to buy real estate, either because they are waiting for real estate prices to be favorable, or because they are researching new deals. When they are ready to buy real estate, the fund managers issue a capital call, requiring investors who have committed money to the fund to transfer that money over. The fund might also borrow funds instead of using the investor's money. This allows the fund to benefit from leverage Leverage or leverag ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |