Re-added meta files

CITATION.cff

+cff-version: "1.2.0"
+authors:
+    - family-names: García-Oliva
+      given-names: Ovidio
+      orcid: "https://orcid.org/0000-0001-6060-2001"
+    - family-names: Lemmen
+      given-names: Carsten
+      orcid: "https://orcid.org/0000-0003-3483-6036"
+message: If you use this software, please cite our article in the
+    Journal of Open Source Software (submitted).
+preferred-citation:
+    authors:
+        - family-names: García-Oliva
+          given-names: Ovidio
+          orcid: "https://orcid.org/0000-0001-6060-2001"
+        - family-names: Lemmen
+          given-names: Carsten
+          orcid: "https://orcid.org/0000-0003-3483-6036"
+    date-published: 1970-01-01
+    issn: 2475-9066
+    journal: Journal of Open Source Software
+    publisher:
+        name: Open Journals
+    title: "FABM OxyPOM and DiaMO: simple models for dissolved oxygen and
+        biogeochemistry"
+    type: article
+title: "FABM OxyPOM and DiaMO: simple models for dissolved oxygen and
+    biogeochemistry"

Makefile

+# SPDX-FileCopyrightText: 2023-2025 Helmholtz-Zentrum hereon GmbH
+# SPDX-License-Identifier: CC0-1.0
+# SPDX-FileContributor: Carsten Lemmen <carsten.lemmen@hereon.de>
+
+VERSION=0.9.1
+DATE=$(shell  date +%Y-%m-%d)
+IP=$(shell ifconfig en0 | grep inet\  | cut -d " " -f2)
+PWD=$(shell pwd)
+
+.PHONY: default clean license docker-run docker-build
+
+default:
+	@echo Valid Makefile targets are: '"version"'
+	@echo To build this package, follow the instructions in the Readme.md file.
+
+# This target updates all files that control the versioning
+# of the software package
+version:
+	sed -i 's/^version: .*/version: "'$(VERSION)'"/g' CITATION.cff
+	sed -i 's/^date-released: .*/date-released: "'$(DATE)'"/g' CITATION.cff
+	sed -i 's/^  "version":.*/  "version": "'$(VERSION)'",'/g codemeta.json
+	sed -i 's/^  "dateModified":.*/  "dateModified": "'$(DATE)'",'/g codemeta.json

codemeta.json

+{
+  "@context": "https://doi.org/10.5063/schema/codemeta-2.0",
+  "@type": "SoftwareSourceCode",
+  "license": "https://spdx.org/licenses/Apache-2.0",
+  "codeRepository": "https://codebase.helmholtz.cloud/dam-elbextreme/oxypom.git",
+  "contIntegration": "https://codebase.helmholtz.cloud/dam-elbextreme/oxypom/-/pipelines",
+  "dateCreated": "2025-01-24",
+  "datePublished": "2025-03-13",
+  "dateModified": "2025-03-21",
+  "issueTracker": "https://codebase.helmholtz.cloud/dam-elbextreme/oxypom/-/issues",
+  "name": "FABM OxyPOM and DiaMO: simple models for dissolved oxygen and biogeochemistry",
+  "version": "0.9.1",
+  "description": "OxyPOM (Oxygen and Particulate Organic Matter) and DiaMO (Diagnostic Model for Oxygen) are aquatic biogeochemical models that consider key processes for dissolved oxygen (DO) dynamics, such as re-aeration, mineralization, and primary production. Both models are implemented in the Fortran-based Framework for Aquatic Biogeochemical Models [FABM], which enables their deployment in different physical drivers in realistic and idealized applications. Additional routines for calculating the attenuation of photosynthetically active radiation are included. The processes represented in OxyPOM and DiaMO enable studying DO in fresh, marine, and transitional waters.",
+  "applicationCategory": "Biogeochemical modeling",
+  "funding": "public",
+  "developmentStatus": "active",
+  "isPartOf": "ElbeXtreme",
+  "funder": {
+    "@type": "Organization",
+    "name": "BMBF"
+  },
+  "keywords": [
+    "FABM",
+    "Biogeochemistry",
+    "Oxygen",
+    "ElbeXtreme",
+    "OxyPOM",
+    "DiaMO",
+    "Fortran",
+    "Water quality"
+  ],
+  "programmingLanguage": ["Fortran", "R", "bash"],
+  "runtimePlatform": ["any"],
+  "operatingSystem": ["Linux", "Windows", "macOS"],
+  "author": [
+    {
+      "@type": "Person",
+      "@id": "https://orcid.org/0000-0001-6060-2001",
+      "givenName": "Ovidio",
+      "familyName": "Garcia Oliva",
+      "email": "ovidio.garcia@hereon.de",
+      "affiliation": {
+        "@type": "Organization",
+        "name": "Helmholtz-Zentrum Hereon"
+      }
+    },
+    {
+      "@type": "Person",
+      "@id": "https://orcid.org/0000-0003-3483-6036",
+      "givenName": "Carsten",
+      "familyName": "Lemmen",
+      "email": "carsten.lemmen@hereon.de",
+      "affiliation": {
+        "@type": "Organization",
+        "name": "Helmholtz-Zentrum Hereon"
+      }
+    }
+  ]
+}