Das Projekt "Mt. Cameroon - REDD+ Feasibility Study" wird vom Umweltbundesamt gefördert und von GFA Envest GmbH durchgeführt. The aim of the study was to assess the feasibility a REDD+ project aiming at a reduction / avoidance of the currently ongoing deforestation in the Mt. Cameroon area. The ecologically valuable region is under serious threat of deforestation, caused by local villagers through the establishment of cash crops, mainly for cocoa-plantations. Deforestation shall be avoided by the development and implementation of a REDD+ project. This project shall be inherently conected to the newly established Mt. Cameroon National Park. The REDD+ project shall finance both the administration of the National Park as well as compensation measures in the surrounding villages. This compensation measures shall not only ensure the interest of local population in the participation in the REDD+ project, it shall also cover the REDD+ projects need for leakage management activities ensuring that the project impact (in terms of carbon conservation) is not compensated by deforestation activities outside the park area. This shall ensure the REDD+ projects overall success. The study evaluated the threat of permanent deforestation in the Mt. Cameroon region, identified drivers of deforesation, screened appropriate mitigation strategies and developed a baseline scenario. In May 2009, GFA ENVEST visited the project site, investigated the legal project structure and discussed project setup with the Ministry of Forestry and Wildlife and the Ministry for Environment and Nature Protection. As the national park was established in spring 2010, the REDD+ project development is envisaged to start in autumn 2010. Services provided: GFA ENVEST provides the following services: Assessment of carbon stocks of intact forests for the main forest strata; Assessment of carbon stocks of degraded forests sites (i.e. cocoa plantations) for the main forest strata; Evaluation of forest protection measures and related abatement costs; Assessment of leakage management and leakage monitoring options and related costs; Design of a monitoring system based on remote sensing. This system shall allow for the verification of the overall success of forest protection measures. Calculation of the projects emission reductions under the Voluntary Carbon Standard (VCS) considering VCS security buffer approach for non-permanence; Assessment of carbon revenues and the overall financial feasibility of REDD+ measures; Evaluation of carbon rights ownership and an appropriate REDD+ project structure managing carbon funds and project costs.
Das Projekt "The effect of water storage variations on in-situ gravity measurements and their use for hydrology (HYGRA)" wird vom Umweltbundesamt gefördert und von Helmholtz-Zentrum Potsdam Deutsches GeoForschungsZentrum durchgeführt. Water storage variations in the soil, groundwater, snow cover and in surface water bodies cause a gravitational effect due to mass attraction. Thus, there exists a strong interrelation between hydrology and gravity. From a hydrological perspective, the estimation of water storage and its spatio-temporal changes is essential for setting up water balances and for effective water use and management. However, direct measurements of local water storage changes are still a challenging task while time-variable gravity observations are a promising tool as an integrative measure of total water storage changes. From a geodetic perspective, the hydrological gravity effect is an interfering signal, which imposes noise on gravimetric measurements and thus has to be eliminated from the gravity records. Superconducting gravimeters (SG) enable the in situ observation of the temporal changes of the earth gravity field. These SG data contain information about polar motion, earth tides, oscillations of the earth, atmospheric pressure and hydrology. But still variations in local water masses have a significant influence on SG measurements. Hence, the question is: How does local water storage change influence the signal of SG measurements? Objective: The objective of the HYGRA project is to separate the local hydrological signal from the integral signal of the SG records. From the geodetic perspective, this will provide a tool to remove the unwanted hydrological noise in SG recordings. At the same time, the hydrological gravity signal bears the potential to estimate hydrological state variables (ground water, soil moisture). Study Area: The HYGRA project focuses the relation of local hydrology and gravity in following study areas: Geodätisches Observatorium Wettzell, Deutschland; South African Geodynamic Observatory (SAGOS). Method The investigation of the interrelation between hydrology and geodesy is done by following worksteps: 1. 4D Simulation of the influence of water storage changes on the superconducting gravimeter; 2. Measuring and modelling of the different water storages; namely groundwater, soil moisture and snow; 3. Transformation of the water storage changes to a gravimetric signal; 4. Comparison between the measured gravity change by the SG and the estimated hydrological gravity response.